Move return statement into the conditional, where it belongs.

arc.m

@@ -301,9 +301,9 @@ id objc_retainAutoreleasedReturnValue(id obj)
 		if (obj == tls->returnRetained)
 		{
 			tls->returnRetained = NULL;
-		}
 			return obj;
 		}
+	}
 	return objc_retain(obj);
 }