Fixed dockapp hack with those few that actually have WM_CLASS.
Fixed dockapp hack with those few that actually have WM_CLASS.

darcs-hash:20070424235329-4eba8-32c5fa244ded62306d9bc0b6d16555e4af812c96.gz

p5n/notion,p5n/notion,p5n/notion,raboof/notion,anoduck/notion,raboof/notion,neg-serg/notion,knixeur/notion,dkogan/notion.xfttest,raboof/notion,knixeur/notion,dkogan/notion,neg-serg/notion,neg-serg/notion,anoduck/notion,raboof/notion,anoduck/notion,anoduck/notion,knixeur/notion,knixeur/notion,anoduck/notion,dkogan/notion.xfttest,dkogan/notion,dkogan/notion,dkogan/notion,neg-serg/notion,p5n/notion,dkogan/notion.xfttest,p5n/notion,dkogan/notion,knixeur/notion,dkogan/notion.xfttest