Prior to adding the new "expected-no-diagnostics" directive to VerifyDiagnosticConsumer, make the necessary adjustment to 580 test-cases which will henceforth require this new directive.

llvm-svn: 166280
diff --git a/clang/test/SemaTemplate/pragma-ms_struct.cpp b/clang/test/SemaTemplate/pragma-ms_struct.cpp
index f04dc5c..fe0b494 100644
--- a/clang/test/SemaTemplate/pragma-ms_struct.cpp
+++ b/clang/test/SemaTemplate/pragma-ms_struct.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -verify -triple i686-apple-osx10.7.0 %s
+// expected-no-diagnostics
 
 #pragma ms_struct on