isofs: propagate umode_t

situation with mount options is the same as for udf

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h
index 7d33de8..0e73f63 100644
--- a/fs/isofs/isofs.h
+++ b/fs/isofs/isofs.h
@@ -50,14 +50,14 @@
 	unsigned int  s_uid_set:1;
 	unsigned int  s_gid_set:1;
 
-	mode_t s_fmode;
-	mode_t s_dmode;
+	umode_t s_fmode;
+	umode_t s_dmode;
 	gid_t s_gid;
 	uid_t s_uid;
 	struct nls_table *s_nls_iocharset; /* Native language support table */
 };
 
-#define ISOFS_INVALID_MODE ((mode_t) -1)
+#define ISOFS_INVALID_MODE ((umode_t) -1)
 
 static inline struct isofs_sb_info *ISOFS_SB(struct super_block *sb)
 {