The prototype of conf_tx and tx in struct ieee80211_ops changed some
time ago and was not compatible with the prototype assumes by
acs-mac80211.
At least I do not see any compile warnings about this any more.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33624 3c298f89-4303-0410-b956-a3cf2f4a3e73
