fix build


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25687 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 92eab0c..ef7894d 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -10,7 +10,7 @@
 // This file contains support for writing dwarf debug info into asm files.
 //
 //===----------------------------------------------------------------------===//
-
+#include "llvm/Support/DataTypes.h"
 #include "llvm/CodeGen/DwarfWriter.h"
 
 #include "llvm/ADT/StringExtras.h"