misc/balloc.h: allow allocating zero bytes. Probably fixes code which assumed this can be done.
misc/balloc.h: allow allocating zero bytes. Probably fixes code which assumed this can be done.



linfengfeiye/badvpn,LazyZhu/badvpn,tempbottle/badvpn,PowerOlive/badvpn,chrisballinger/badvpn,binondord/badvpn,binondord/badvpn,tempbottle/badvpn,chrisballinger/badvpn,Git-Host/badvpn,linfengfeiye/badvpn,chrisballinger/badvpn,linfengfeiye/badvpn,LazyZhu/badvpn,PowerOlive/badvpn,PowerOlive/badvpn,LazyZhu/badvpn,Git-Host/badvpn,linfengfeiye/badvpn,binondord/badvpn,PowerOlive/badvpn,tempbottle/badvpn,PowerOlive/badvpn,Git-Host/badvpn,binondord/badvpn,Git-Host/badvpn,LazyZhu/badvpn,tempbottle/badvpn,tempbottle/badvpn,chrisballinger/badvpn,linfengfeiye/badvpn,LazyZhu/badvpn,binondord/badvpn,Git-Host/badvpn