ovl: initialize ->is_cursor

Signed-off-by: Miklos Szeredi <[e-mail]>
Signed-off-by: Al Viro <[e-mail]>

fs/overlayfs/readdir.c

···
 		p->type = d_type;
 		p->ino = ino;
 		p->is_whiteout = false;
+		p->is_cursor = false;
 	}
 
 	return p;