* time/mktime.c: Always include <string.h> for prototype of

* time/mktime.c: Always include <string.h> for prototype of

	implicitly used memcpy.

	* sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c
	(truncate64): Use __truncate, not truncate.
	(__have_no_truncate64): Renamed from have_no_truncate64.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c
	(__have_no_truncate64): Renamed from have_no_truncate64.