pata_arasan_cf: Delete an unnecessary variable initialisation in arasan_cf_probe()

The local variable "ret" will eventually be set to an appropriate value
a bit later. Thus omit the explicit initialisation at the beginning.

Signed-off-by: Markus Elfring <[e-mail]>
Signed-off-by: Tejun Heo <[e-mail]>

drivers/ata/pata_arasan_cf.c

···
 	struct resource *res;
 	u32 quirk;
 	irq_handler_t irq_handler = NULL;
-	int ret = 0;
+	int ret;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)