[PATCH] libertas: fix more mixed-case abuse

Mistakently introduced by a previous patch to upper-case all command
constants.

Signed-off-by: Dan Williams <dcbw@redhat.com>
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 7cfca5f..115f02c 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -1128,7 +1128,7 @@
 	lbs_deb_wext("vwrq->value %d\n", vwrq->value);
 
 	if (vwrq->value == -1) {
-		action = CMD_ACT_SET_tx_auto;	// Auto
+		action = CMD_ACT_SET_TX_AUTO;	// Auto
 		adapter->is_datarate_auto = 1;
 		adapter->datarate = 0;
 	} else {
@@ -1155,7 +1155,7 @@
 		}
 
 		adapter->datarate = data_rate;
-		action = CMD_ACT_SET_tx_fix_rate;
+		action = CMD_ACT_SET_TX_FIX_RATE;
 		adapter->is_datarate_auto = 0;
 	}