server/tests/basic_event_loop: fix bzero warning
server/tests/basic_event_loop: fix bzero warning

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