identd: restore memcpy

I should not be committing at 2:30am....

Reported by:	pluknet

usr.sbin/inetd/inetd.c

@@ -1752,6 +1752,8 @@ more:
                 memmove(sep->se_proto, sep->se_proto + 4,
                     strlen(sep->se_proto) + 1 - 4);
                 sep->se_rpc = 1;
+		memcpy(&sep->se_ctrladdr4, bind_sa4,
+			sizeof(sep->se_ctrladdr4));
                 sep->se_rpc_prog = sep->se_rpc_lowvers =
 			sep->se_rpc_highvers = 0;
                 if ((versp = strrchr(sep->se_service, '/'))) {