ixgbe: Fix some compiler warnings.

'pap' is never used in ixgbe_dcb_hw_config_82599()
and 'eec' in ixgbe_acquire_eeptom() is only used when
status == 0 but GCC has some trouble seeing that.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ixgbe/ixgbe_common.c

@@ -661,7 +661,7 @@ static s32 ixgbe_poll_eeprom_eerd_done(struct ixgbe_hw *hw)
 static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw)
 {
 	s32 status = 0;
-	u32 eec;
+	u32 eec = 0;
 	u32 i;
 
 	if (ixgbe_acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) != 0)

drivers/net/ixgbe/ixgbe_dcb_82599.c

@@ -457,8 +457,6 @@ s32 ixgbe_dcb_config_82599(struct ixgbe_hw *hw)
 s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw,
                               struct ixgbe_dcb_config *dcb_config)
 {
-	u32  pap = 0;
-
 	ixgbe_dcb_config_packet_buffers_82599(hw, dcb_config);
 	ixgbe_dcb_config_82599(hw);
 	ixgbe_dcb_config_rx_arbiter_82599(hw, dcb_config);