Fix more stuff broken by recent exported-symbol hackery.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@156 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/vg_libpthread_unimp.c b/vg_libpthread_unimp.c
index 2b9aa63..3bc96f7 100644
--- a/vg_libpthread_unimp.c
+++ b/vg_libpthread_unimp.c
@@ -107,7 +107,7 @@
 void pthread_rwlock_tryrdlock ( void )  { unimp("pthread_rwlock_tryrdlock"); }
 void pthread_rwlock_trywrlock ( void )  { unimp("pthread_rwlock_trywrlock"); }
 //void pthread_rwlock_unlock ( void )  { unimp("pthread_rwlock_unlock"); }
-void pthread_rwlock_wrlock ( void )  { unimp("pthread_rwlock_wrlock"); }
+//void pthread_rwlock_wrlock ( void )  { unimp("pthread_rwlock_wrlock"); }
 void pthread_rwlockattr_destroy ( void )  { unimp("pthread_rwlockattr_destroy"); }
 void pthread_rwlockattr_getkind_np ( void )  { unimp("pthread_rwlockattr_getkind_np"); }
 void pthread_rwlockattr_getpshared ( void )  { unimp("pthread_rwlockattr_getpshared"); }
@@ -169,7 +169,7 @@
 weak_alias(pthread_rwlock_init, __pthread_rwlock_init)
 weak_alias(pthread_rwlock_tryrdlock, __pthread_rwlock_tryrdlock)
 weak_alias(pthread_rwlock_trywrlock, __pthread_rwlock_trywrlock)
-weak_alias(pthread_rwlock_wrlock, __pthread_rwlock_wrlock)
+//weak_alias(pthread_rwlock_wrlock, __pthread_rwlock_wrlock)
 weak_alias(_IO_ftrylockfile, ftrylockfile)
 
 __attribute__((weak)) void pread ( void ) { vgPlain_unimp("pread"); }