README.md: Add license entry for src/tools/3rdparty/cplusplus-keywordgen

Change-Id: Id2f9c23bf184d533580e8d572c6616ca20d77c57
Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>

README.md

@@ -216,6 +216,30 @@ we thank the authors who made this possible:
   AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+### Open Source tool for generating C++ code that classifies keywords (license MIT)
+
+  Roberto Raggi <roberto.raggi@gmail.com>
+
+  QtCreator/src/tools/3rdparty/cplusplus-keywordgen
+
+  Copyright (c) 2007 Roberto Raggi <roberto.raggi@gmail.com>
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 ### Botan, a C++ crypto library. Version 1.10.2