fuser: restore functionality by fixing fsid type

Use types from sys/stat.h for the filesystem and inode numbers for extra
safety.

PR:		259504
Reported by:	Markus Wild <[email protected]>
MFC after:	1 week

(cherry picked from commit e18fbe6f19)

usr.bin/fstat/fuser.c

@@ -92,8 +92,8 @@ struct consumer {
 	STAILQ_ENTRY(consumer)	next;
 };
 struct reqfile {
-	uint32_t	fsid;
-	uint64_t	fileid;
+	dev_t		fsid;
+	ino_t		fileid;
 	const char	*name;
 	STAILQ_HEAD(, consumer) consumers;
 };