ATM-nicstar: Improve another size determination in get_scq()

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/atm/nicstar.c

@@ -862,7 +862,7 @@ static scq_info *get_scq(ns_dev *card, int size, u32 scd)
 	if (size != VBR_SCQSIZE && size != CBR_SCQSIZE)
 		return NULL;
 
-	scq = kmalloc(sizeof(scq_info), GFP_KERNEL);
+	scq = kmalloc(sizeof(*scq), GFP_KERNEL);
 	if (!scq)
 		return NULL;
         scq->org = dma_alloc_coherent(&card->pcidev->dev,