Fixes to select hack when there's no pselect.
Fixes to select hack when there's no pselect.

It was causing X synchronisation repetition that could cause
e.g. completions to become unresponsive.

darcs-hash:20080915173424-4eba8-0126118231c9bcde0684899cc4bec76d20d88541.gz

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