drivers/net/sb1250-mac.c: kmalloc + memset conversion to kcalloc

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>

 drivers/net/sb1250-mac.c | 76286 -> 76199 (-87 bytes)

 drivers/net/sb1250-mac.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>