devpts: call fsnotify_unlink() hook

This will allow generating fsnotify delete events after the
fsnotify_nameremove() hook is removed from d_delete().
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

fs/devpts/inode.c

@@ -621,6 +621,7 @@ void devpts_pty_kill(struct dentry *dentry)
 
 	dentry->d_fsdata = NULL;
 	drop_nlink(dentry->d_inode);
+	fsnotify_unlink(d_inode(dentry->d_parent), dentry);
 	d_delete(dentry);
 	dput(dentry);	/* d_alloc_name() in devpts_pty_new() */
 }