[NET]: include <linux/types.h> into linux/ethtool.h for __u* typedef

Signed-off-by: Kirill A. Shutemov <k.shutemov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/ethtool.h

@@ -12,6 +12,7 @@
 #ifndef _LINUX_ETHTOOL_H
 #define _LINUX_ETHTOOL_H
 
+#include <linux/types.h>
 
 /* This should work for both 32 and 64 bit userland. */
 struct ethtool_cmd {