r241483 ath can not be built

[Lev Serebryakov]

Hello, Freebsd-wireless.


 Can not build fresh sources on i386:

/data/src/sys/dev/ath/if_ath_tx.c: In function 'ath_tx_handoff_hw':
/data/src/sys/dev/ath/if_ath_tx.c:812: error: 'qbusy' undeclared (first use in this function)
/data/src/sys/dev/ath/if_ath_tx.c:812: error: (Each undeclared identifier is reported only once
/data/src/sys/dev/ath/if_ath_tx.c:812: error: for each function it appears in.)


-- 
// Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>