ixgbe: declare functions as static

Following patch fixes warnings reported by `make namespacecheck`

Reported by Stephen Hemminger

CC: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 939e60f4..e3eca13 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -52,6 +52,7 @@
 static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr);
 static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq);
 static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num);
+static s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg);
 
 /**
  *  ixgbe_start_hw_generic - Prepare hardware for Tx/Rx
@@ -637,7 +638,7 @@
  *  Polls the status bit (bit 1) of the EERD or EEWR to determine when the
  *  read or write is done respectively.
  **/
-s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
+static s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
 {
 	u32 i;
 	u32 reg;
@@ -2449,7 +2450,7 @@
  *  return the VLVF index where this VLAN id should be placed
  *
  **/
-s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan)
+static s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan)
 {
 	u32 bits = 0;
 	u32 first_empty_slot = 0;