[index] Add llvm/Support/DataTypes.h header to fix build failures in the bots.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@260762 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Index/IndexSymbol.h b/include/clang/Index/IndexSymbol.h
index 0849241b60e601d52332db36a10754035f407be9..7a505eac4155a131fdfc485a45b0ca68e00a07b3 100644 (file)
--- a/include/clang/Index/IndexSymbol.h
+++ b/include/clang/Index/IndexSymbol.h
@@ -11,6 +11,7 @@
 #define LLVM_CLANG_INDEX_INDEXSYMBOL_H
 
 #include "clang/Basic/LLVM.h"
+#include "llvm/Support/DataTypes.h"
 
 namespace clang {
   class Decl;