don't pass 'mounting_here' flag to follow_down()

it's always false now

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 9c86038..eba45ea 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -85,7 +85,7 @@
 extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
 
 extern int follow_down_one(struct path *);
-extern int follow_down(struct path *, bool);
+extern int follow_down(struct path *);
 extern int follow_up(struct path *);
 
 extern struct dentry *lock_rename(struct dentry *, struct dentry *);