--- Gnu-Mach/kern/ipc_host.c	2020/09/02 04:36:57	1.1
+++ Gnu-Mach/kern/ipc_host.c	2020/09/02 04:42:50	1.1.1.2
@@ -126,7 +126,7 @@ host_self(void)
 		ipc_port_copyout_send_compat(sright, current_space());
 }
 
-#endif	MACH_IPC_COMPAT
+#endif	/* MACH_IPC_COMPAT */
 
 /*
  *	ipc_processor_init: