[GRASS5] v.in.ascii

[Hamish]

> Support structures are not released by default because it take long
> time and it is much faster if it is done by system.
> 
> You have to call Vect_set_release_support() before 
> Vect_close() if you want to use valgrind.

Right. Here are the results:
(code is CVS from a week ago)

http://bambi.otago.ac.nz/hamish/grass/memleak/v.in.ascii/valgrind_28June05.txt


I am not sure what this means though- are we cleanly allocating too
much? Is the memory truly needed if topology is to be built? (for
whatever topology means for a collection of points)



Hamish