* libc/stdio64/local64.h: Delete, move contents to...

	* libc/stdio64/local64.h: Delete, move contents to...
	* libc/stdio/local.h: ...here.
	* libc/stdio64/fdopen64.c: Update includes.
	* libc/stdio64/fopen64.c: Likewise.
	* libc/stdio64/freopen64.c: Likewise.
	* libc/stdio64/fseeko64.c: Likewise.
	* libc/stdio64/ftello64.c: Likewise.
	* libc/stdio/findfp.c (std) [__LARGE64_FILES]: Open stdin, stdout,
	and stderr with 64-bit offset.
	* libc/stdio/fseek.c (_fseek_r): Avoid compile warning.
	* libc/stdio/makebuf.c (__smakebuf_r): Likewise.
	* libc/stdio/mktemp.c (_gettemp): Likewise.