fix the llvm-x86_64-linux buildbot.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100223 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h b/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
index 7638ea2..662efc9 100644
--- a/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
+++ b/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
@@ -16,6 +16,7 @@
 
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/DebugLoc.h"
+#include "llvm/Support/DataTypes.h"
 
 namespace llvm {