Add <cstdio> include where needed by gcc-4.4.
Patch by Samuel Tardieu.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57291 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TGLexer.cpp b/utils/TableGen/TGLexer.cpp
index a6de239..e7465de 100644
--- a/utils/TableGen/TGLexer.cpp
+++ b/utils/TableGen/TGLexer.cpp
@@ -17,6 +17,7 @@
 #include <ostream>
 #include "llvm/Config/config.h"
 #include <cctype>
+#include <cstdio>
 #include <cstdlib>
 #include <cstring>
 using namespace llvm;