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/Analysis/cfref_PR2519.c b/clang/test/Analysis/cfref_PR2519.c
index 03e4222..7fce226 100644
--- a/clang/test/Analysis/cfref_PR2519.c
+++ b/clang/test/Analysis/cfref_PR2519.c
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.cocoa.RetainCount,alpha.core -analyzer-store=region -analyzer-constraints=range -verify %s
+// expected-no-diagnostics
 
 typedef unsigned char Boolean;
 typedef signed long CFIndex;