add RUN line

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61452 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/property-category-3.m b/test/SemaObjC/property-category-3.m
index e45e0fd..84dc3ad 100644
--- a/test/SemaObjC/property-category-3.m
+++ b/test/SemaObjC/property-category-3.m
@@ -1,3 +1,5 @@
+// RUN: clang -fsyntax-only -verify %s
+
 @protocol P
   @property(readonly) int X;
 @end
@@ -27,5 +29,3 @@
 @implementation A 
 @dynamic categoryProperty;
 @end
-
-