fix typo (2017->2016)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@68234 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/script/utils.py

@@ -7,7 +7,7 @@ Usage:
 
     from grass.script import utils as gutils
 
-(C) 2014-2017 by the GRASS Development Team
+(C) 2014-2016 by the GRASS Development Team
 This program is free software under the GNU General Public
 License (>=v2). Read the file COPYING that comes with GRASS
 for details.