Avoid a memory leak in discardServer.
Avoid a memory leak in discardServer.

Ignore-this: 32c558d54787010a83d504231e9f3879
Thanks to Ming Fu.

darcs-hash:20090427200152-4cc09-e7b002c90da52db1ad504a1ebb5c65fdeef68563.gz

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