mwifiex: remove unnecessary struct mwifiex_802_11_ssid

Use struct cfg80211_ssid available in include/net/cfg80211.h
instead of having similar definition in driver.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index d7aa21d..b9b59db 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -101,7 +101,7 @@
 
 	memcpy(&priv->prev_ssid,
 	       &priv->curr_bss_params.bss_descriptor.ssid,
-	       sizeof(struct mwifiex_802_11_ssid));
+	       sizeof(struct cfg80211_ssid));
 
 	memcpy(priv->prev_bssid,
 	       priv->curr_bss_params.bss_descriptor.mac_address, ETH_ALEN);