[PATCH] spidernet: replace whitespaces by tabs

The original patch was using whitespaces instead of tabs.
Signed-off-by: NJens Osterkamp <Jens.Osterkamp@de.ibm.com>
Signed-off-by: NArnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>