Added #ifndef/#endif statements to protect the header from multiple inclusion.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41648 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/AST/CFG.h b/include/clang/AST/CFG.h
index 460e23cdfcca22a4685e4758075d1be327b21c0b..a09d9346e9f96f4fc6250d52fb6edd9ab2b20596 100644 (file)
--- a/include/clang/AST/CFG.h
+++ b/include/clang/AST/CFG.h
@@ -12,6 +12,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+#ifndef LLVM_CLANG_CFG_H
+#define LLVM_CLANG_CFG_H
+
 #include "llvm/ADT/GraphTraits.h"
 #include <list>
 #include <vector>
@@ -302,3 +305,5 @@ template <> struct GraphTraits<Inverse<const clang::CFG*> >
 };
   
 } // end llvm namespace
+
+#endif