small fix for IEEE80211_STA_ONLY: do not let users set HostAP specific flags using "nwflag".
small fix for IEEE80211_STA_ONLY: do not let users set HostAP specific
flags using "nwflag".

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars