[winGRASS] libG11

[Mike Thomas]

> v.digit hangs after about five points and doesn't show the line between
the
> mouse cursor and the last digitised point at any stage - my guess is that
> either "XGetImage()" or the event queueing code is at the heart of the
> problem.

Actually I just checked the function calls and it's not "XGetImage()", but
I've started implementing it (by guesswork).  As Glynn says Panel_save is
not used in many places.