* fix incorrect filter port in pf redirect.
miniupnpd/pf/obsdrdr.c: improve documentation
miniupnpd/pf: replace delete_filter_rule()

now use delete_redirect_and_filter_rules()
miniupnpd/pf/obsdrdr.c: add UNUSED() when necessary
miniupnpd/pf: add clear_filter_rules() for testing

also add a --clear / -c argument to testobsdrdr programm
miniupnpd/pf: fix add_filter_rule2() by adding internal address
miniupnpd/pf: delete_redirect_and_filter_rules() now take internal address into account
miniupnpd/pf: update testobsdrdr.c
Merge branch 'fix_pf_redirect'

Conflicts:
	miniupnpd/pf/testobsdrdr.c