Patching phpIPAM per amministratori (non super)

./app/subnets/addresses/address-modify.php

<         		print ' <input type="text" name="mac" class="ip_addr form-control input-sm" placeholder="'._('MAC address').'" value="'. $address['mac']. '" size="30" '.$delete.' disabled="disabled">'.$mcast_help_block;
<         		print ' <input type="hidden" name="mac" value="'. $address['mac']. '">';
---
>         		print ' <input type="text" name="mac" class="ip_addr form-control input-sm" placeholder="'._('MAC address').'" value="'. $address['mac']. '" size="30" '.$delete.'>'.$mcast_help_block;
>         		#print ' <input type="text" name="mac" class="ip_addr form-control input-sm" placeholder="'._('MAC address').'" value="'. $address['mac']. '" size="30" '.$delete.' disabled="disabled">'.$mcast_help_block;
>         		#print ' <input type="hidden" name="mac" value="'. $address['mac']. '">';