sampling keyword added

vector/v.kcv/main.c

@@ -9,7 +9,7 @@
  *
  * PURPOSE:    Randomly partition points into test/train sets.
  *
- * COPYRIGHT:  (C) 2001-2014 by James Darrell McCauley, and the GRASS Development Team
+ * COPYRIGHT:  (C) 2001-2020 by James Darrell McCauley, and the GRASS Development Team
  *
  *             This program is free software under the GNU General
  *             Public License (>=v2).  Read the file COPYING that
@@ -56,6 +56,7 @@ int main(int argc, char *argv[])
     G_add_keyword(_("statistics"));
     G_add_keyword(_("points"));
     G_add_keyword(_("point pattern"));
+    G_add_keyword(_("sampling"));
     module->description =
 	_("Randomly partition points into test/train sets.");