[gtkada] [compiling] Problem with misc_extra.c when compiling GtkAda 2.2.x( with GtK2.4)

[Arnaud Charlet]

> in the list's historic there are this question, but no public solucion.:-( 

The solution is to port this gtkextra code to Gtk+ 2.4 if you want it to
compile :-)

Constributions are welcome.

Arno