[gtkada] runtime error

[manuel.op.de.coul at eon-benelux.com]

>but it provokes exactly the same runtime error, but I some friends who
>works on MS windows, so I tried this updated code on windows, and all is
>right on windows....

But that doesn't guarantee that your code is right. I'd look
further to find the problem if I were you.
I've had the opposite situation before, warnings on Windows,
but not on Unix.

Manuel