libertas: Reduce the WPA key installation time (fixups)

This patch addresses comments from Dan Williams about the patch
committed as "libertas: Reduce the WPA key installation time."

Signed-off-by: Javier Cardona <javier@cozybit.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index acb889e..f6f3753 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -58,6 +58,7 @@
 	u8 WPA2enabled;
 	u8 wep_enabled;
 	u8 auth_mode;
+	u32 key_mgmt;
 };
 
 /** Current Basic Service Set State Structure */