server/red_worker: explicitly include unistd and errno
server/red_worker: explicitly include unistd and errno

mathslinux/spice,ya-mouse/spice,freedesktop-unofficial-mirror/spice__spice,mathslinux/spice,alon/spice-server,alon/spice-server,mathslinux/spice,mathslinux/spice,elmarco/spice,Fantu/spice,Fantu/spice,dezelin/spice,SPICE/spice,Fantu/spice,fgouget/spice,dezelin/spice,fgouget/spice,freedesktop-unofficial-mirror/spice__spice,freedesktop-unofficial-mirror/spice__spice,SPICE/spice,ya-mouse/spice,elmarco/spice,SPICE/spice,dezelin/spice,dezelin/spice,elmarco/spice,elmarco/spice,Fantu/spice,freedesktop-unofficial-mirror/spice__spice,alon/spice-server,mathslinux/spice,alon/spice-server,ya-mouse/spice,elmarco/spice,fgouget/spice,freedesktop-unofficial-mirror/spice__spice,alon/spice-server,dezelin/spice,fgouget/spice