wl1251: remove wext dependencies

This driver uses IW_ESSID_MAX_SIZE when it should
be using IEEE80211_MAX_SSID_LEN instead.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl1251/cmd.h b/drivers/net/wireless/wl1251/cmd.h
index 79ca527..ee4f2b3 100644
--- a/drivers/net/wireless/wl1251/cmd.h
+++ b/drivers/net/wireless/wl1251/cmd.h
@@ -269,7 +269,7 @@
 	u8 bss_type;
 	u8 channel;
 	u8 ssid_len;
-	u8 ssid[IW_ESSID_MAX_SIZE];
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
 	u8 ctrl; /* JOIN_CMD_CTRL_* */
 	u8 tx_mgt_frame_rate; /* OBSOLETE */
 	u8 tx_mgt_frame_mod;  /* OBSOLETE */