raster MASKs; was [GRASS-dev] interferring ovewrite flags

[Glynn Clements]

Glynn Clements wrote:

> Adding the --o etc flags would need an extension to the syntax (we
> can't use add_flag, because they aren't like other flags). I'll look
> into it.

I've committed changes to parser.c and gui.tcl to pass the --overwrite
flag to the GUI code. I don't know whether d.m/gis.m will need any
changes; please test.

-- 
Glynn Clements <glynn at gclements.plus.com>