* Makefile.am, configure.ac: Add new test to exercise error case for
when a task is blocked on a condition variable with one mutex and
another task attempts to block on the same condition variable with
another mutex.
* psxcond01/.cvsignore, psxcond01/Makefile.am, psxcond01/init.c,
psxcond01/psxcond01.doc, psxcond01/psxcond01.scn: New files.