Kristof Provost 58ef854f8b pf: Fix build if INVARIANTS is not set
r340061 included a number of assertions pf_frent_remove(), but these assertions
were the only use of the 'prev' variable. As a result builds without
INVARIANTS had an unused variable, and failed.

Reported by:	vangyzen@
2018-11-02 19:23:50 +00:00
..
2018-11-02 19:23:50 +00:00