Add the license back to ftmodule.h after the freetype 2.5.4 upgrade.
Review URL: https://codereview.chromium.org/815333002
diff --git a/third_party/freetype/include/config/ftmodule.h b/third_party/freetype/include/config/ftmodule.h
index 0d31ce6..fb25574 100644
--- a/third_party/freetype/include/config/ftmodule.h
+++ b/third_party/freetype/include/config/ftmodule.h
@@ -1,3 +1,20 @@
+/***************************************************************************/
+/* */
+/* ftmodule.h */
+/* */
+/* FreeType modules public interface (specification). */
+/* */
+/* Copyright 1996-2001, 2002, 2003 by */
+/* David Turner, Robert Wilhelm, and Werner Lemberg. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
/*
* This file registers the FreeType modules compiled into the library.
*
