drd/tests/sem_wait: Skip on Darwin since sem_init() fails with ENOSYS on Darwin

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13321 a5019735-40e9-0310-863c-91ae7b9d1cf9
drd/tests/annotate_smart_pointer2: Add an expected output file

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13322 a5019735-40e9-0310-863c-91ae7b9d1cf9