include linux/types.h in if_fddi.h

include/linux/if_fddi.h is an exported header.
It uses __be16. Include linux/types.h to get this prototype.
Signed-off-by: NOlaf Hering <olaf@aepfle.de>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

include/linux/if_fddi.h

@@ -24,6 +24,8 @@
 #ifndef _LINUX_IF_FDDI_H
 #define _LINUX_IF_FDDI_H
 
+#include <linux/types.h>
+
 /*
  *  Define max and min legal sizes.  The frame sizes do not include
  *  4 byte FCS/CRC (frame check sequence).