keyword improvements

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@56425 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.segment/main.c

@@ -34,6 +34,7 @@ int main(int argc, char *argv[])
     module = G_define_module();
     G_add_keyword(_("imagery"));
     G_add_keyword(_("segmentation"));
+    G_add_keyword(_("classification"));
     G_add_keyword(_("object recognition"));
     module->description =
 	_("Identifies segments (objects) from imagery data.");

imagery/i.smap/main.c

@@ -38,6 +38,7 @@ int main(int argc, char *argv[])
     G_add_keyword(_("imagery"));
     G_add_keyword(_("classification"));
     G_add_keyword(_("supervised"));
+    G_add_keyword(_("segmentation"));
     G_add_keyword(_("SMAP"));
     module->description =
 	_("Performs contextual image classification "