netifd: don't add unnecessary NOP policy rules

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39351 3c298f89-4303-0410-b956-a3cf2f4a3e73
procd: update to latest git head

Fixes OpenWrt bug #14832

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39352 3c298f89-4303-0410-b956-a3cf2f4a3e73