libgis: define gisprompt for G_OPT_F_SEP

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@60641 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/gis/parser_standard_options.c

@@ -553,6 +553,7 @@ struct Option *G_define_standard_option(int opt)
 	Opt->type = TYPE_STRING;
 	Opt->key_desc = "character";
 	Opt->required = NO;
+        Opt->gisprompt = "old,separator,separator";
 	Opt->answer = "pipe";
 	Opt->label = _("Field separator");
 	Opt->description = _("Special characters: pipe, comma, space, tab, newline");