Fix call to localtime on systems where tv_sec is not a time_t.
Fix call to localtime on systems where tv_sec is not a time_t.

It's a long on BSD.  Thanks to Fabian Keil for noticing.

darcs-hash:20061119023724-4cc09-8c46c04104918abca67e1cfef444ed61ebb09da0.gz

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