arc migrator: replace "retain" attribute with "strong"
which have same semantics in mrr as well as arr.
// rdar://10688312


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148559 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/ARCMT/releases.m.result b/test/ARCMT/releases.m.result
index 2b6240b..556610a 100644
--- a/test/ARCMT/releases.m.result
+++ b/test/ARCMT/releases.m.result
@@ -20,7 +20,7 @@
 @interface Foo : NSObject {
   id bar;
 }
-@property  id bar;
+@property (strong) id bar;
 -(void)test:(id)obj;
 @end