(apologies: this may be a duplicate mail. The contents are the same) This is a better formatted patch, I think. A lot of work for such a small fix :-)
--- a/src/splashy_video.c 2009-01-09 23:09:41.000000000 +1100 +++ b/src/splashy_video.c 2009-01-09 23:09:51.000000000 +1100 @@ -145,7 +145,7 @@ * as F2 is pressed. Let's give'm a show for their * money! */ - if (visible) + if (visible && video.textbox) /* close #473230 thanks John Hughes */ { video.textbox->offscreen->Blit (video.textbox->surface, video.textbox->offscreen,