Simplify DNS error messages.
Simplify DNS error messages.

darcs-hash:20061119025710-4cc09-7463984f3fe65f6e56302fcac5c9ac2b3871df3b.gz

jech/polipo,nxtreaming/chumen,berkley4/polipo,feijilei/polipo,akkakks/polipo,Psiphon-Inc/polipo,berkley4/polipo,berkley4/polipo,ssb22/polipo2,nxtreaming/chumen,jech/polipo,lkraider/polipo,dxq-git/polipo,feijilei/polipo,doublec/namecoin-polipo,fqtools/polipo,akkakks/polipo,TierraDelFuego/opilop,ajmgh/polipo,strongwillow/polipo,nxtreaming/chumen,strongwillow/polipo,lkraider/polipo,fukusaka/polipo,Android-Apps/polipo,feijilei/polipo,toke/polipo,galeksandrp/polipo,jeromelebel/polipo,dxq-git/polipo,akkakks/polipo,galeksandrp/polipo,dxq-git/polipo,gorakhargosh/polipo,galeksandrp/polipo,danchr/polipo,Android-Apps/polipo,fqtools/polipo,clowwindy/polipo,ssb22/polipo2,ssb22/polipo2,lkraider/polipo,fqtools/polipo,jech/polipo,caeies/polipo-caeies