Clean up some unnecessary includes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72101 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/Warnings.cpp b/lib/Frontend/Warnings.cpp
index 8d6ca68..81f75bd 100644
--- a/lib/Frontend/Warnings.cpp
+++ b/lib/Frontend/Warnings.cpp
@@ -24,8 +24,8 @@
#include "clang/Basic/Diagnostic.h"
#include "clang/Sema/SemaDiagnostic.h"
#include "clang/Lex/LexDiagnostic.h"
-#include "llvm/Support/CommandLine.h"
#include <cstdio>
+#include <cstring>
#include <utility>
#include <algorithm>
using namespace clang;