Documentation (ixgbe.txt): use a decimal address.

This patch fixes the erronous usage of an hexadecimal address in the
example, by replacing it with a decimal address.
Signed-off-by: NRami Rosen <ramirose@gmail.com>
Acked-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Documentation/networking/ixgbe.txt

@@ -138,7 +138,7 @@ Other ethtool Commands:
 To enable Flow Director
 	ethtool -K ethX ntuple on
 To add a filter
-	Use -U switch. e.g., ethtool -U ethX flow-type tcp4 src-ip 0x178000a
+	Use -U switch. e.g., ethtool -U ethX flow-type tcp4 src-ip 10.0.128.23
         action 1
 To see the list of filters currently present:
 	ethtool -u ethX