netifd: update to git HEAD

netifd: update to git HEAD

 3d9bd73 utils: fix check_pid_path to work with deleted file as well
 330f403 vlan: initialize device ifname earlier at creation time
 c057e71 device: do not check state from within device_init
 cb0c07b system-dummy: fix resolving ifindex
 ccd9ddc bridge: add support for turning on vlan_filtering
 82bcb64 bridge: add support for adding vlans to a bridge
 0e8cea0 bridge: add support for VLAN filtering
 6086b63 config: enable bridge vlan filtering by default for bridges that define VLANs
 ac0710b device: look up full device name before traversing vlan chain
 e32e21e bridge: flush vlan list on bridge free
 645ceed interface-ip: clear host bits of the device prefix
 d7b614a netifd-wireless: parse 'osen' encryption

Signed-off-by: Daniel Golle <daniel@makrotopia.org>