Repaint the dive after equipment changes

Those changes may have changed cylinder sizes and beginning/end
pressures, so the dive profile and SAC rate may be different.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

equipment.c

@@ -522,6 +522,7 @@ static int edit_cylinder_dialog(int index, cylinder_t *cyl)
 		dive->cylinder[index] = *cyl;
 		mark_divelist_changed(TRUE);
 		flush_divelist(dive);
+		repaint_dive();
 	}
 
 	gtk_widget_destroy(dialog);