fix the llvm-x86_64-linux buildbot.

llvm-svn: 100223
diff --git a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h b/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
index 7638ea2..662efc97 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
+++ b/llvm/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 {