ulogd: ulogd_inppkt_NFLOG: close nflog handle after unbinding

The nflog handle is closed, and then nflog_unbind_pf() is called on it, which
triggers an assertion failure within libnfnetlink. This patch simply moves
the nflog_close() just after the nflog_unbind_pf() calls.

Signed-off-by: Chris Boot <bootc@bootc.net>
Set release number to 2.0.3.

Signed-off-by: Eric Leblond <eric@regit.org>