switch vfs_mkdir() and ->mkdir() to umode_t

vfs_mkdir() gets int, but immediately drops everything that might not
fit into umode_t and that's the only caller of ->mkdir()...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/ncpfs/dir.c

diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 9c51f62..dfb51f0 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -33,7 +33,7 @@
 static int ncp_create(struct inode *, struct dentry *, int, struct nameidata *);
 static struct dentry *ncp_lookup(struct inode *, struct dentry *, struct nameidata *);
 static int ncp_unlink(struct inode *, struct dentry *);
-static int ncp_mkdir(struct inode *, struct dentry *, int);
+static int ncp_mkdir(struct inode *, struct dentry *, umode_t);
 static int ncp_rmdir(struct inode *, struct dentry *);
 static int ncp_rename(struct inode *, struct dentry *,
 	  	      struct inode *, struct dentry *);
@@ -985,7 +985,7 @@
 	return ncp_create_new(dir, dentry, mode, 0, 0);
 }
 
-static int ncp_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+static int ncp_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 {
 	struct ncp_entry_info finfo;
 	struct ncp_server *server = NCP_SERVER(dir);