--- kernel/bsd/ufs/lfs/lfs_extern.h	2018/04/24 18:26:06	1.1
+++ kernel/bsd/ufs/lfs/lfs_extern.h	2018/04/24 18:31:14	1.1.1.2
@@ -125,7 +125,7 @@ void	lfs_dump_super __P((struct lfs *));
 __END_DECLS
 extern int (**lfs_vnodeop_p)();
 extern int (**lfs_specop_p)();
-#ifdef FIFO
+#if FIFO
 extern int (**lfs_fifoop_p)();
 #define LFS_FIFOOPS lfs_fifoop_p
 #else