iwlegacy: 3945: simplify calculations of retry limit

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index daef6b5..c817975 100644
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -570,8 +570,7 @@
 	/* TODO need this for burst mode later on */
 	il3945_build_tx_cmd_basic(il, out_cmd, info, hdr, sta_id);
 
-	/* set is_hcca to 0; it probably will never be implemented */
-	il3945_hw_build_tx_cmd_rate(il, out_cmd, info, hdr, sta_id, 0);
+	il3945_hw_build_tx_cmd_rate(il, out_cmd, info, hdr, sta_id);
 
 	/* Total # bytes to be transmitted */
 	len = (u16) skb->len;