cxgb3 - MAC workaround update

Update the MAC workaround to deal with switches that do not
honor pause frames.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index 2129210..1746003 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -507,6 +507,7 @@
 	unsigned int tx_xcnt;
 	u64 tx_mcnt;
 	unsigned int rx_xcnt;
+	unsigned int rx_ocnt;
 	u64 rx_mcnt;
 	unsigned int toggle_cnt;
 	unsigned int txen;