staging: r8188eu: mark enqueue_reorder_recvframe as bool

Mark enqueue_reorder_recvframe as bool as it returns true/false.
Also, make it static as it's only used in rtw_recv.
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Vihas Makwana <makvihas@gmail.com>
Link: https://lore.kernel.org/r/20220302204737.49056-7-makvihas@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_recv.c

@@ -1496,8 +1496,7 @@ static bool check_indicate_seq(struct recv_reorder_ctrl *preorder_ctrl, u16 seq_
 	return true;
 }
 
-int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, struct recv_frame *prframe);
-int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, struct recv_frame *prframe)
+static bool enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, struct recv_frame *prframe)
 {
 	struct rx_pkt_attrib *pattrib = &prframe->attrib;
 	struct __queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;