Update the header guards for clang-modernize.

llvm-svn: 189973
diff --git a/clang-tools-extra/clang-modernize/Core/IncludeDirectives.h b/clang-tools-extra/clang-modernize/Core/IncludeDirectives.h
index c1c5a7a..51627c5 100644
--- a/clang-tools-extra/clang-modernize/Core/IncludeDirectives.h
+++ b/clang-tools-extra/clang-modernize/Core/IncludeDirectives.h
@@ -13,8 +13,8 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#ifndef CPP11_MIGRATE_INCLUDE_DIRECTIVES_H
-#define CPP11_MIGRATE_INCLUDE_DIRECTIVES_H
+#ifndef CLANG_MODERNIZE_INCLUDE_DIRECTIVES_H
+#define CLANG_MODERNIZE_INCLUDE_DIRECTIVES_H
 
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Tooling/Refactoring.h"
@@ -138,4 +138,4 @@
   HeaderToGuardMap HeaderToGuard;
 };
 
-#endif // CPP11_MIGRATE_INCLUDE_DIRECTIVES_H
+#endif // CLANG_MODERNIZE_INCLUDE_DIRECTIVES_H