vfs: move the rest of int fields to struct mount

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/pnode.c b/fs/pnode.c
index 001c8b0..a40abf2 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -272,7 +272,7 @@
  */
 static inline int do_refcount_check(struct mount *mnt, int count)
 {
-	int mycount = mnt_get_count(mnt) - mnt->mnt.mnt_ghosts;
+	int mycount = mnt_get_count(mnt) - mnt->mnt_ghosts;
 	return (mycount > count);
 }