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/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 3c795bf..c595fef 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -25,7 +25,7 @@
#include "llvm/Bitcode/BitstreamWriter.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/MemoryBuffer.h"
-
+#include <cstdio>
using namespace clang;
//===----------------------------------------------------------------------===//