* Makefile.in (GNULIB_H): Use GNULIB_STDINT_H.

	* Makefile.in (GNULIB_H): Use GNULIB_STDINT_H.
	(gdb_stdint_h, gdb_stdint.h, stamp-int): Delete.  Remove
	all dependencies on $(gdb_stdint_h).
	(distclean): Do not delete gdb_stdint.h.
	* acinclude.m4: Do not use stdint.m4.
	* configure.ac: Set GNULIB_STDINT_H.  Remove tests for stdint.h,
	uintptr_t, and gdb_stdint.h.
	* defs.h: Include <stdint.h>.
	* gdb_thread_db.h: Assume stdint.h is already included.
	* breakpoint.c, findcmd.c, hppa-tdep.c, inf-ptrace.c, proc-service.c,
	rs6000-nat.c, spu-linux-nat.c, target.c, win32-nat.c: Do not
	include gdb_stdint.h.
	* configure, config.in: Regenerate.