List --overwrite flag

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@47819 15284696-431f-4ddb-bdfa-cd5b030d7da7

general/g.copy/main.c

@@ -44,6 +44,7 @@ int main(int argc, char *argv[])
     module->description =
 	_("Copies available data files in the current mapset "
 	  "search path to the user's current mapset.");
+    module->overwrite = 1;
 
     parm = (struct Option **) G_calloc(nlist, sizeof(struct Option *));
 

general/g.rename/main.c

@@ -45,6 +45,7 @@ int main(int argc, char *argv[])
     G_add_keyword(_("rename"));
     module->description =
 	_("Renames data base element files in the user's current mapset.");
+    module->overwrite = 1;
 
     parm = (struct Option **)G_calloc(nlist, sizeof(struct Option *));