Project:Toolchain/Glibc 2.31 porting notes/stime removal

From the release notes:

* The obsolete function stime is no longer available to newly linked binaries, and its declaration has been removed from . Programs that set the system time should use clock_settime instead.

Also note something which you may want to fix while in the area:

* We plan to remove the obsolete function ftime, and the header , in a future version of glibc. In this release, the header still exists but calling ftime will cause a compiler warning. All programs should use gettimeofday or clock_gettime instead.

Man pages:
 * stime (old)
 * clock_settime (new)

Examples:
 * "net-misc/getdate-1.2-r1 : getdate.c:(.text.startup+ ): undefined reference to stime".