cmd: Put trailing */ on a separate line

checkpatch emits warning:

    WARNING: Block comments use a trailing */ on a separate line

Put trailing */ on a separate line.

Signed-off-by: Tobin C. Harding <me@tobin.cc>

src/lxc/cmd/lxc_user_nic.c

@@ -512,7 +512,8 @@ static int instantiate_veth(char *veth1, char *veth2)
 
 	/* Changing the high byte of the mac address to 0xfe, the bridge
 	 * interface will always keep the host's mac address and not take the
-	 * mac address of a container. */
+	 * mac address of a container.
+	 */
 	ret = setup_private_host_hw_addr(veth1);
 	if (ret < 0)
 		usernic_error("Failed to change mac address of host interface "