sal/osl/unx/conditn.cxx:90: pthread_cond_destroy failed: Device or resource busy
sal/osl/unx/conditn.cxx:92: pthread_mutex_destroy failed: Device or resource busy

"Desktop disposed before terminating it"

seen under valgrind with CppunitTest_sccomp_lpsolver

Change-Id: I643cf114b902c38a6a54487fd78c55d84ed78cfc