[GRASS5] [bug #4355] (grass) GUI: r.terraflow: the window does not pop up, error printed to terminal

[Hamish]

> this bug's URL: http://intevation.de/rt/webrt?serial_num=4355
> ---------------------------------------------------------------------
> 
> Subject: GUI: r.terraflow: the window does not pop up, error printed
> to terminal
..


Changing "spawn" to "term" in gui/tcltk/d.m/menu.tcl helps it start, but
probably isn't the correct solution.

Changing to "execute" gives a tcl error (maybe informative as to the
problem)


Hamish