Added missing expected-warning.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50073 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/null-deref-ps.c b/test/Analysis/null-deref-ps.c
index 4ce4f8b..214ccdd 100644
--- a/test/Analysis/null-deref-ps.c
+++ b/test/Analysis/null-deref-ps.c
@@ -14,5 +14,5 @@
   if (p)
     p->x = 1;
     
-  return p->x++;
+  return p->x++; // expected-warning{{Dereference of null pointer.}}
 }