add some #includes for better compatibility with gcc 4.4,
thanks to Tobias Stadler for pointing this out.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68868 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-cc/Warnings.cpp b/tools/clang-cc/Warnings.cpp
index edbccb6..d21c794 100644
--- a/tools/clang-cc/Warnings.cpp
+++ b/tools/clang-cc/Warnings.cpp
@@ -38,6 +38,7 @@
#include "clang/Sema/SemaDiagnostic.h"
#include "clang/Lex/LexDiagnostic.h"
#include "llvm/Support/CommandLine.h"
+#include <cstdio>
#include <utility>
#include <algorithm>
using namespace clang;