Add Yara license to src/third_party.

tools/licenses.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Utility for checking and processing licensing information in third_party
 directories.
 
 Usage: licenses.py <command>
 
@@ skipping 298 matching lines @@
     os.path.join('third_party', 'sfntly'),
     os.path.join('third_party', 'smhasher'),
     os.path.join('third_party', 'sudden_motion_sensor'),
     os.path.join('third_party', 'swiftshader'),
     os.path.join('third_party', 'swig'),
     os.path.join('third_party', 'talloc'),
     os.path.join('third_party', 'tcmalloc'),
     os.path.join('third_party', 'usb_ids'),
     os.path.join('third_party', 'v8-i18n'),
     os.path.join('third_party', 'wtl'),
+    os.path.join('third_party', 'yara'),
     os.path.join('third_party', 'yasm'),
     os.path.join('v8', 'strongtalk'),
 ])
 
 
 class LicenseError(Exception):
     """We raise this exception when a directory's licensing info isn't
     fully filled out."""
     pass
 
@@ skipping 393 matching lines @@
         if not GenerateLicenseFile(
                 args.output_file, args.gn_out_dir, args.gn_target):
             return 1
     else:
         print __doc__
         return 1
 
 
 if __name__ == '__main__':
   sys.exit(main())