update FSF mailing address (https://trac.osgeo.org/grass/ticket/1422)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@47629 15284696-431f-4ddb-bdfa-cd5b030d7da7

COPYING

@@ -23,8 +23,8 @@ GNU General Public License (GPL) for more details.
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the
   Free Software Foundation, Inc.,
-  59 Temple Place - Suite 330,
-  Boston, MA  02111-1307, USA.
+  51 Franklin Street, Fifth Floor
+  Boston, MA 02110-1301 USA
 
 Questions regarding GRASS GIS should be directed to the
 GRASS Development Team at the following address:

lib/vector/dglib/COPYING

@@ -2,7 +2,7 @@
 		       Version 2, June 1991
 
  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
-                       51  Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.