fix a build problem where NULL isn't implicitly defined by the headers this file...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45587 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Analysis/ProgramEdge.h b/include/clang/Analysis/ProgramEdge.h
index 0962d71461331e3d189c5a3a4e925574d2ed4d17..fb81c701f3841d7813b41967dfac186c0a54480b 100644 (file)
--- a/include/clang/Analysis/ProgramEdge.h
+++ b/include/clang/Analysis/ProgramEdge.h
@@ -114,7 +114,7 @@ namespace llvm { // Traits specialization for DenseMap
 template <> struct DenseMapInfo<clang::ProgramEdge> {
 
   static inline clang::ProgramEdge getEmptyKey() {
-    return clang::BlkBlkEdge(NULL,NULL);
+    return clang::BlkBlkEdge(0, 0);
   }
   
   static inline clang::ProgramEdge getTombstoneKey() {