Add support for dhclient.

conf/post_decalrations.conf

@@ -133,9 +133,13 @@ done
 # ---
 # - Network Interfaces DHCP Service
 # ---
-declare -a dhcp_if_arr
+declare -a dhcp_server_if_arr
 for _dev in $dhcp_server_ifs ; do
-   dhcp_if_arr+=($_dev)
+   dhcp_server_if_arr+=($_dev)
+done
+declare -a dhcp_client_if_arr
+for _dev in $dhcp_client_ifs ; do
+   dhcp_client_if_arr+=($_dev)
 done
 
 # ---