Fix for PR gdb/1543.

	Fix for PR gdb/1543.
	* gdb.base/sep.exp: `sep-proc.c' absolute line numbers replaced with
	$LOCATION.
	(location): New variable.
	* config/cfdbug.exp, config/d10v.exp, config/dve.exp, config/i960.exp,
	config/m32r.exp, config/mn10300-eval.exp, config/proelf.exp,
	config/rom68k.exp, config/sh.exp, config/unix.exp, config/vr4300.exp,
	config/vr5000.exp, config/vxworks.exp, gdb.arch/altivec-regs.exp,
	gdb.arch/e500-abi.exp, gdb.arch/e500-regs.exp, gdb.asm/asm-source.exp,
	gdb.base/a2-run.exp, gdb.base/advance.exp, gdb.base/all-bin.exp,
	gdb.base/args.exp, gdb.base/arithmet.exp, gdb.base/assign.exp,
	gdb.base/async.exp, gdb.base/auxv.exp, gdb.base/bigcore.c,
	gdb.base/bigcore.exp, gdb.base/bitfields.exp, gdb.base/bitops.exp,
	gdb.base/break.c, gdb.base/break.exp, gdb.base/break1.c,
	gdb.base/call-ar-st.exp, gdb.base/call-rt-st.exp,
	gdb.base/call-strs.exp, gdb.base/callfuncs.c, gdb.base/callfuncs.exp,
	gdb.base/checkpoint.exp, gdb.base/chng-syms.exp,
	gdb.base/code-expr.exp, gdb.base/commands.exp, gdb.base/completion.exp,
	gdb.base/complex.exp, gdb.base/cond-expr.exp, gdb.base/condbreak.exp,
	gdb.base/consecutive.exp, gdb.base/corefile.exp, gdb.base/cvexpr.c,
	gdb.base/cvexpr.exp, gdb.base/dbx.exp, gdb.base/default.exp,
	gdb.base/define.exp, gdb.base/del.c, gdb.base/detach.exp,
	gdb.base/display.exp, gdb.base/dump.exp, gdb.base/echo.exp,
	gdb.base/environ.exp, gdb.base/eval-skip.exp, gdb.base/exprs.exp,
	gdb.base/fileio.exp, gdb.base/find.exp, gdb.base/finish.exp,
	gdb.base/funcargs.exp, gdb.base/gcore-buffer-overflow.exp,
	gdb.base/gcore.exp, gdb.base/gdb1555.exp, gdb.base/gdbvars.exp,
	gdb.base/help.exp, gdb.base/huge.exp, gdb.base/info-proc.exp,
	gdb.base/interrupt.exp, gdb.base/jump.exp, gdb.base/langs.exp,
	gdb.base/lineinc.exp, gdb.base/list.exp, gdb.base/macscp.exp,
	gdb.base/maint.exp, gdb.base/mips_pro.exp, gdb.base/miscexprs.exp,
	gdb.base/nodebug.exp, gdb.base/nofield.c, gdb.base/opaque.exp,
	gdb.base/overlays.exp, gdb.base/page.exp, gdb.base/pc-fp.exp,
	gdb.base/pending.c, gdb.base/pendshr.c, gdb.base/pointers.exp,
	gdb.base/psymtab.exp, gdb.base/ptype.exp, gdb.base/randomize.c,
	gdb.base/readline.exp, gdb.base/recurse.exp, gdb.base/regs.exp,
	gdb.base/relational.exp, gdb.base/relocate.exp, gdb.base/remote.exp,
	gdb.base/reread.exp, gdb.base/return.exp, gdb.base/return2.exp,
	gdb.base/scope.exp, gdb.base/sect-cmd.exp, gdb.base/sep-proc.c,
	gdb.base/sep.c, gdb.base/sep.exp, gdb.base/sepdebug.c,
	gdb.base/sepdebug.exp, gdb.base/setshow.exp, gdb.base/shlib-call.exp,
	gdb.base/sigaltstack.c, gdb.base/so-indr-cl.exp, gdb.base/solib.exp,
	gdb.base/source.exp, gdb.base/start.c, gdb.base/step-bt.c,
	gdb.base/step-line.exp, gdb.base/structs.c, gdb.base/structs.exp,
	gdb.base/structs2.exp, gdb.base/term.exp, gdb.base/twice.exp,
	gdb.base/type-opaque.exp, gdb.base/until.exp,
	gdb.base/value-double-free.c, gdb.base/varargs.exp,
	gdb.base/watchpoint.exp, gdb.base/whatis-exp.exp, gdb.disasm/am33.exp,
	gdb.disasm/h8300s.exp, gdb.disasm/hppa.exp, gdb.disasm/mn10300.exp,
	gdb.disasm/sh3.exp, gdb.disasm/t01_mov.exp, gdb.disasm/t02_mova.exp,
	gdb.disasm/t03_add.exp, gdb.disasm/t04_sub.exp, gdb.disasm/t05_cmp.exp,
	gdb.disasm/t06_ari2.exp, gdb.disasm/t07_ari3.exp,
	gdb.disasm/t08_or.exp, gdb.disasm/t09_xor.exp, gdb.disasm/t10_and.exp,
	gdb.disasm/t11_logs.exp, gdb.disasm/t12_bit.exp,
	gdb.disasm/t13_otr.exp, gdb.fortran/exprs.exp, gdb.fortran/types.exp,
	gdb.hp/gdb.aCC/exception.exp, gdb.hp/gdb.aCC/optimize.exp,
	gdb.hp/gdb.aCC/watch-cmd.exp, gdb.hp/gdb.base-hp/callfwmall.exp,
	gdb.hp/gdb.base-hp/dollar.exp, gdb.hp/gdb.base-hp/hwwatchbus.exp,
	gdb.hp/gdb.base-hp/pxdb.exp, gdb.hp/gdb.base-hp/reg-pa64.exp,
	gdb.hp/gdb.base-hp/reg.exp, gdb.hp/gdb.base-hp/sized-enum.exp,
	gdb.hp/gdb.base-hp/so-thresh.exp, gdb.hp/gdb.compat/xdb1.exp,
	gdb.hp/gdb.compat/xdb2.exp, gdb.hp/gdb.compat/xdb3.exp,
	gdb.java/jmisc.exp, gdb.java/jv-exp.exp, gdb.java/jv-print.exp,
	gdb.mi/gdb669.exp, gdb.mi/gdb680.exp, gdb.mi/gdb701.exp,
	gdb.mi/gdb792.exp, gdb.mi/mi-basics.exp, gdb.mi/mi-console.exp,
	gdb.mi/mi-hack-cli.exp, gdb.mi/mi-pending.c, gdb.mi/mi-pendshr.c,
	gdb.mi/mi-pthreads.exp, gdb.mi/mi-read-memory.exp, gdb.mi/mi-regs.exp,
	gdb.mi/mi-syn-frame.exp, gdb.mi/mi-until.exp, gdb.mi/mi2-basics.exp,
	gdb.mi/mi2-console.exp, gdb.mi/mi2-hack-cli.exp,
	gdb.mi/mi2-pthreads.exp, gdb.mi/mi2-read-memory.exp,
	gdb.mi/mi2-regs.exp, gdb.mi/mi2-syn-frame.exp, gdb.mi/mi2-until.exp,
	gdb.pascal/types.exp, gdb.stabs/weird.exp,
	gdb.threads/gcore-thread.exp, gdb.threads/manythreads.exp,
	gdb.threads/print-threads.exp, gdb.threads/pthreads.exp,
	gdb.threads/schedlock.exp, gdb.threads/step.exp, gdb.threads/step2.exp,
	gdb.threads/switch-threads.exp, gdb.threads/thread-specific.exp,
	gdb.threads/thread_check.exp, gdb.threads/thread_events.exp,
	gdb.threads/tls-nodebug.exp, gdb.threads/tls-shared.exp,
	gdb.threads/tls.exp, gdb.trace/actions.exp, gdb.trace/backtrace.exp,
	gdb.trace/circ.exp, gdb.trace/collection.exp, gdb.trace/deltrace.exp,
	gdb.trace/infotrace.exp, gdb.trace/limits.exp, gdb.trace/packetlen.exp,
	gdb.trace/passc-dyn.exp, gdb.trace/passcount.exp, gdb.trace/report.exp,
	gdb.trace/save-trace.exp, gdb.trace/tfind.exp, gdb.trace/tracecmd.exp,
	gdb.trace/while-dyn.exp, gdb.trace/while-stepping.exp,
	lib/mi-support.exp, lib/trace-support.exp: Remove reference
	to bug-gdb@prep.ai.mit.edu .