net: Fix a comment typo

Signed-off-by: NKusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/core/dev.c

@@ -3324,7 +3324,7 @@ EXPORT_SYMBOL_GPL(netdev_rx_handler_register);
  *	netdev_rx_handler_unregister - unregister receive handler
  *	@dev: device to unregister a handler from
  *
- *	Unregister a receive hander from a device.
+ *	Unregister a receive handler from a device.
  *
  *	The caller must hold the rtnl_mutex.
  */