[GRASS-dev] Locking is not supported on Windows

[Marco Pasetti]

Hi Glynn,

> IIRC, if you just set GIS_LOCK (to anything) in init.bat, g.mapset
> will work. On Windows, the etc/lock program always succeeds (after
> printing a warning), so it's up to you to ensure that you don't run
> multiple GRASS sessions concurrently in the same mapset.

at the moment I don't have GRASS installed on this machine, so I cannot 
check it, but IIRC the .gislock file was not created, even if I added 
GIS_LOCK=0 in the init.bat;
that missing causes a problem when trying to close a mapset.

Marco