iwyu/vttdemux: Update includes.
Include what you use analysis based include update.
Change-Id: Id7b8b9113da70c378a9db904cac1701fc8ebd6d2
diff --git a/vttdemux.cc b/vttdemux.cc
index 7995f90..e31b56d 100644
--- a/vttdemux.cc
+++ b/vttdemux.cc
@@ -6,14 +6,17 @@
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
+#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <map>
#include <memory>
#include <string>
-#include "./mkvparser.hpp"
-#include "./mkvreader.hpp"
-#include "./webvttparser.h"
+#include <utility>
+
+#include "mkvparser.hpp"
+#include "mkvreader.hpp"
+#include "webvttparser.h"
#ifdef _MSC_VER
// Disable MSVC warnings that suggest making code non-portable.