Reenable -Wuninitialized warning for captured block variables.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124782 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/uninit-variables.c b/test/Sema/uninit-variables.c
index ce3f93d..1a08029 100644
--- a/test/Sema/uninit-variables.c
+++ b/test/Sema/uninit-variables.c
@@ -193,8 +193,8 @@
 }
 
 void test29() {
-  int x;
-  (void) ^{ (void) x; };
+  int x; // expected-note{{variable 'x' is declared here}} expected-note{{add initialization to silence this warning}}
+  (void) ^{ (void) x; }; // expected-warning{{variable 'x' is possibly uninitialized when captured by block}}
 }
 
 void test30() {