staging: wilc1000: remove function pointer wlan_add_to_tx_que

This patch removes function pointer wlan_add_to_tx_que and just call
the function wilc_wlan_txq_add_net_pkt. Remove static from the function also.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index 745953c..fcc4155 100644
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -503,7 +503,8 @@
 	return 1;
 }
 
-static int wilc_wlan_txq_add_net_pkt(void *priv, u8 *buffer, u32 buffer_size, wilc_tx_complete_func_t func)
+int wilc_wlan_txq_add_net_pkt(void *priv, u8 *buffer, u32 buffer_size,
+			      wilc_tx_complete_func_t func)
 {
 	wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan;
 	struct txq_entry_t *tqe;
@@ -2027,7 +2028,6 @@
 	/**
 	 *      export functions
 	 **/
-	oup->wlan_add_to_tx_que = wilc_wlan_txq_add_net_pkt;
 	oup->wlan_handle_tx_que = wilc_wlan_handle_txq;
 	oup->wlan_handle_rx_isr = wilc_handle_isr;
 	oup->wlan_cleanup = wilc_wlan_cleanup;