rt2x00: Remove extra +

Signed-off-by: NIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2400pci.c

@@ -1042,7 +1042,7 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 			   test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
 	rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
-+			   test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
+			   test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
 	rt2x00_desc_write(txd, 0, word);
 }