e1000e: Fix namespace conflicts wrt. e1000_has_link

Reported by Stephen Rothwell.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 14a80f8..ffa37c6 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -3472,7 +3472,7 @@
 	       ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
 }
 
-bool e1000_has_link(struct e1000_adapter *adapter)
+bool e1000e_has_link(struct e1000_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	bool link_active = 0;
@@ -3553,7 +3553,7 @@
 	u32 link, tctl;
 	int tx_pending = 0;
 
-	link = e1000_has_link(adapter);
+	link = e1000e_has_link(adapter);
 	if ((netif_carrier_ok(netdev)) && link) {
 		e1000e_enable_receives(adapter);
 		goto link_up;