parser: add new standard options also to g.parser (fix https://trac.osgeo.org/grass/changeset/64732)
When adding new item to STD_OPT you should also
update STD_OPT_STRINGS array in general/g.parser/standard_option.c.
git-svn-id: https://svn.osgeo.org/grass/grass/trunk@64735 15284696-431f-4ddb-bdfa-cd5b030d7da7