2003-07-24  Andreas J. Guelzow  <aguelzow@taliesin.ca>

	* dialog-solver.c (dialog_destroy): call cmd_solver if
	  appropriate
	(cb_dialog_cancel_clicked) set cancelled to true
	(cb_dialog_close_clicked) set cancelled to false and defer
	  call of cmd_solver to dialog_destroy
	(cb_dialog_solve_clicked) set cancelled to false
	(dialog_solver) initialize cancelled to true