improve compatibility with GCC 4.4, patch by Michel Salim (PR3697)
llvm-svn: 65884
diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index 26777d9..2a9fa0a 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -38,6 +38,7 @@
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Streams.h"
+#include <cstdio>
using namespace clang;
//===----------------------------------------------------------------------===//