[PATCH] libertas: remove adapter->txrate

The value of txrate was only set by a CMD_802_11_TX_RATE_QUERY command,
but there was no code in the driver that ever issued this command.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 7d14f9c..1fb0f91 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -949,7 +949,7 @@
 	priv->wstats.discard.misc = le16_to_cpu(adapter->logmsg.ackfailure);
 
 	/* Calculate quality */
-	priv->wstats.qual.qual = min_t(u32, quality, 100);
+	priv->wstats.qual.qual = min_t(u8, quality, 100);
 	priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 	stats_valid = 1;