doc: sfp-phylink: correct code indentation

Using vim to edit the phylink documentation reveals some mistakes due
to the "invisible" pythonesque white space indentation that can't be
seen with other editors. Fix it.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/networking/sfp-phylink.rst

@@ -138,27 +138,27 @@ this documentation.
 
    .. code-block:: c
 
-    static int foo_ethtool_set_link_ksettings(struct net_device *dev,
-					     const struct ethtool_link_ksettings *cmd)
-    {
-	struct foo_priv *priv = netdev_priv(dev);
-
-	return phylink_ethtool_ksettings_set(priv->phylink, cmd);
-    }
-
-    static int foo_ethtool_get_link_ksettings(struct net_device *dev,
-					     struct ethtool_link_ksettings *cmd)
-    {
-	struct foo_priv *priv = netdev_priv(dev);
+	static int foo_ethtool_set_link_ksettings(struct net_device *dev,
+						  const struct ethtool_link_ksettings *cmd)
+	{
+		struct foo_priv *priv = netdev_priv(dev);
+	
+		return phylink_ethtool_ksettings_set(priv->phylink, cmd);
+	}
 
-	return phylink_ethtool_ksettings_get(priv->phylink, cmd);
-    }
+	static int foo_ethtool_get_link_ksettings(struct net_device *dev,
+						  struct ethtool_link_ksettings *cmd)
+	{
+		struct foo_priv *priv = netdev_priv(dev);
+	
+		return phylink_ethtool_ksettings_get(priv->phylink, cmd);
+	}
 
-7. Replace the call to:
+7. Replace the call to::
 
 	phy_dev = of_phy_connect(dev, node, link_func, flags, phy_interface);
 
-   and associated code with a call to:
+   and associated code with a call to::
 
 	err = phylink_of_phy_connect(priv->phylink, node, flags);