Author: Paul Mielke <paulm@routefree.com>, Harald Welte <laforge@gnumonks.org>
Status: Submitted at 2.4.21-pre6 and 2.5.66 time

This patch fixes a bug introduced with the LOCAL_NAT support of kernel 2.4.19,
which caused a problem with locally-terminated connections and certain NAT
application helpers (esp. PPTP).

Thanks to Paul Mielke for spotting the bug.

