Update acl.xml: add resource.ip2c to RPC group (#2905)

Author: Fernando-A-Rocha

Server/mods/deathmatch/acl.xml

@@ -33,6 +33,7 @@
    </group>
    <group name="RPC">
       <acl name="RPC" />
+      <object name="resource.ip2c" />
    </group>
    <group name="MapEditor">
       <acl name="Default" />