* Makefile.am, configure.ac: Add tests for file lock stubs as well as
various POSIX methods that access UID, PID, and GID.
* psxfilelock01/.cvsignore, psxfilelock01/Makefile.am,
psxfilelock01/init.c, psxfilelock01/psxfilelock01.doc,
psxfilelock01/psxfilelock01.scn, psxid01/.cvsignore,
psxid01/Makefile.am, psxid01/init.c, psxid01/psxid01.doc,
psxid01/psxid01.scn: New files.
