Add missing include for stderr and fprintf, needed

when compiling with gcc-4.4.

llvm-svn: 72109

clang/lib/Frontend/DiagChecker.cpp

@@ -17,6 +17,7 @@
 #include "clang/AST/ASTConsumer.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Lex/Preprocessor.h"
+#include <cstdio>
 using namespace clang;
 
 typedef TextDiagnosticBuffer::DiagList DiagList;