Created attachment 173282 [details]
patch to unregister net/qt5-enginio
net/qt5-enginio expired on 2016-08-04 but is registered in Mk/bsd.qt.mk so remove it from there. An INDEX build with qt5-enginio unregistered and removed showed no problems.
Looks good to me.
A quick git grep enginio doesn't show any port using it, so go ahead.
A commit references this bug:
Date: Sat Aug 6 22:00:20 UTC 2016
New revision: 419753
Unregister net/qt5-enginio from Mk/bsd.qt.mk which has expired.
Submitted by: myself
Approved by: kde (tcberner), portmgr (mat)