Allow POST with no Content-Length.
Allow POST with no Content-Length.

Default to 0.  See RFC 7230 Sec. 3.3.2.

galeksandrp/polipo,nxtreaming/chumen,feijilei/polipo,berkley4/polipo,fqtools/polipo,akkakks/polipo,berkley4/polipo,jech/polipo,feijilei/polipo,clowwindy/polipo,lkraider/polipo,ssb22/polipo2,fqtools/polipo,lkraider/polipo,feijilei/polipo,dxq-git/polipo,galeksandrp/polipo,nxtreaming/chumen,dxq-git/polipo,jech/polipo,akkakks/polipo,akkakks/polipo,nxtreaming/chumen,ssb22/polipo2,lkraider/polipo,jech/polipo,galeksandrp/polipo,dxq-git/polipo,ajmgh/polipo,TierraDelFuego/opilop,ssb22/polipo2,berkley4/polipo,fqtools/polipo