netifd: call /etc/udhcp.user from the netifd dhcp.script

This was done previously when dhcp was handled by the network scripts.
So netifd should behave the same.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>

SVN-Revision: 34704

package/network/config/netifd/files/lib/netifd/dhcp.script

@@ -56,4 +56,7 @@ case "$1" in
 	;;
 esac
 
+# user rules
+[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
+
 exit 0