[SCSI] zfcp: Add __init declaration to zfcp_cache_hw_align

The function zfcp_cache_hw_align is only called from zfcp_module_init,
so it should be declared with __init as well.

Reviewed-by: Steffen Maier <[e-mail]>
Signed-off-by: Christof Schmitt <[e-mail]>
Signed-off-by: James Bottomley <[e-mail]>

drivers/s390/scsi/zfcp_aux.c

···
 module_param_named(device, init_device, charp, 0400);
 MODULE_PARM_DESC(device, "specify initial device");
 
-static struct kmem_cache *zfcp_cache_hw_align(const char *name,
-					      unsigned long size)
+static struct kmem_cache * __init zfcp_cache_hw_align(const char *name,
+						      unsigned long size)
 {
 	return kmem_cache_create(name, size, roundup_pow_of_two(size), 0, NULL);
 }