Reverted r10523 and r10540: since sem_init() is not yet supported on Darwin, revert the attempts to compensate for the different return values on Darwin.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10561 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/tests/tc23_bogus_condwait.stderr.exp-linux-ppc b/drd/tests/tc23_bogus_condwait.stderr.exp-linux-ppc
index e217b91..0159ba8 100644
--- a/drd/tests/tc23_bogus_condwait.stderr.exp-linux-ppc
+++ b/drd/tests/tc23_bogus_condwait.stderr.exp-linux-ppc
@@ -1,16 +1,16 @@
 
 The object at address 0x........ is not a mutex.
    at 0x........: pthread_cond_wait* (drd_pthread_intercepts.c:?)
-   by 0x........: main (tc23_bogus_condwait.c:75)
+   by 0x........: main (tc23_bogus_condwait.c:69)
 
 The object at address 0x........ is not a mutex.
    at 0x........: pthread_cond_wait* (drd_pthread_intercepts.c:?)
-   by 0x........: main (tc23_bogus_condwait.c:75)
+   by 0x........: main (tc23_bogus_condwait.c:69)
 
 Process terminating with default action of signal 7 (SIGBUS)
  Invalid address alignment at address 0x........
    at 0x........: (within libpthread-?.?.so)
-   by 0x........: pthread_cond_wait@@GLIBC_2.3.2(within libpthread-?.?.so)
-   by 0x........: main (tc23_bogus_condwait.c:75)
+   by 0x........: pthread_cond_wait@@@GLIBC_2.3.2(within libpthread-?.?.so)
+   by 0x........: main (tc23_bogus_condwait.c:69)
 
 ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)