Avoid gcc warning.
Avoid gcc warning.

darcs-hash:20060823152257-4cc09-207529227e01b0554fff6125b4e7e3b88c54a633.gz

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