userModePrefix() handling when there is no buffer to read modes from
userModePrefix() handling when there is no buffer to read modes from

prawnsalad/kiwiirc-next,allenday/KiwiIRC,kiwiirc/kiwiirc,ItsOnlyBinary/kiwiirc,iwalkalone69/kiwiirc,iwalkalone69/kiwiirc,ItsOnlyBinary/kiwiirc,kiwiirc/kiwiirc,iwalkalone69/kiwiirc,allenday/KiwiIRC,ItsOnlyBinary/kiwiirc,allenday/KiwiIRC,prawnsalad/kiwiirc-next,kiwiirc/kiwiirc