Add include guards for CommentVisitor.h

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175451 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/AST/CommentVisitor.h b/include/clang/AST/CommentVisitor.h
index 47867a634fccf9b2ac4dfda0314e3a377e4302d7..21641bfeb89f0eff8f637656e5f9f5dc71b2b206 100644 (file)
--- a/include/clang/AST/CommentVisitor.h
+++ b/include/clang/AST/CommentVisitor.h
@@ -7,6 +7,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+#ifndef LLVM_CLANG_AST_COMMENTVISITOR_H
+#define LLVM_CLANG_AST_COMMENTVISITOR_H
+
 #include "clang/AST/Comment.h"
 #include "llvm/Support/ErrorHandling.h"
 
@@ -64,3 +67,4 @@ class ConstCommentVisitor :
 } // end namespace comments
 } // end namespace clang
 
+#endif