bnx2x: fix logical op

Fix dubious logical operation that was found by sparse:
linux-next-20080807/drivers/net/bnx2x_main.c:7205:27: warning: dubious: !x & y
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bnx2x_main.c

@@ -7202,7 +7202,7 @@ static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
 	bp->link_params.req_flow_ctrl = (bp->port.link_config &
 					 PORT_FEATURE_FLOW_CONTROL_MASK);
 	if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
-	    (!bp->port.supported & SUPPORTED_Autoneg))
+	    !(bp->port.supported & SUPPORTED_Autoneg))
 		bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
 
 	BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d  req_flow_ctrl 0x%x"