Implement (as a nop) pthread_rwlockattr_destroy.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1354 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/vg_libpthread_unimp.c b/coregrind/vg_libpthread_unimp.c
index 95e08ee..b727f2f 100644
--- a/coregrind/vg_libpthread_unimp.c
+++ b/coregrind/vg_libpthread_unimp.c
@@ -141,7 +141,7 @@
 //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_rwlockattr_destroy ( void )  { unimp("pthread_rwlockattr_destroy"); }
+//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"); }
 //void pthread_rwlockattr_init ( void )  { unimp("pthread_rwlockattr_init"); }