OPR fix

--- openvpn-policy-routing  2017-05-25 16:32:58.457954760 +1000
+++ openvpn-policy-routing.patched  2017-05-25 16:33:22.247518925 +1000
@@ -334,21 +334,19 @@
    config_get raddr   "$1" remote_addrs
    config_get rport   "$1" remote_ports

-   case $gw in
-       wan | tun* | tap*)
-           if [ "$ip_family" == "ipv6" ]; then
-               mark=$(eval echo "\$mark6_$gw")
-#              [ -n "$laddr" ] && laddr="[$laddr]"
-#              [ -n "$raddr" ] && raddr="[$raddr]"
-           else
-               mark=$(eval echo "\$mark_$gw")
-           fi
-           [ -z "$mark" ] && { output "$_error_: $p_name unknown fw_mark for ${ip_family}/${gw}!\n"; return 1; }
-           param="-t mangle -I OPR_CHAIN 1 -j MARK --set-xmark ${mark}/${FW_MASK}"
-           ;;
-       *)
-           output "$_error_: $p_name unknown policy gateway ($gw)!\n"; return 1;;
-   esac
+   if [ "$gw" == "wan" ] || is_vpn "$gw"; then
+       if [ "$ip_family" == "ipv6" ]; then
+           mark=$(eval echo "\$mark6_$gw")
+#          [ -n "$laddr" ] && laddr="[$laddr]"
+#          [ -n "$raddr" ] && raddr="[$raddr]"
+       else
+           mark=$(eval echo "\$mark_$gw")
+       fi
+       [ -z "$mark" ] && { output "$_error_: $p_name unknown fw_mark for ${ip_family}/${gw}!\n"; return 1; }
+       param="-t mangle -I OPR_CHAIN 1 -j MARK --set-xmark ${mark}/${FW_MASK}"
+   else
+       output "$_error_: $p_name unknown policy gateway ($gw)!\n"; return 1
+   fi
    [ -z "$laddr" ] && [ -z "$lport" ] && [ -z "$raddr" ] && [ -z "$rport" ] && output "$_error_: $p_name policy '$comment' missing all IPs/ports!\n" && return

    [ -n "$laddr" ] && param="$param -s $laddr"