[PATCH] xen-blkback: constify instance of "struct attribute_group"

[Jan Beulich]

The functions such get passed to have been taking pointers to const
since at least 2.6.16.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 drivers/block/xen-blkback/xenbus.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 4.7-rc6-xen.orig/drivers/block/xen-blkback/xenbus.c
+++ 4.7-rc6-xen/drivers/block/xen-blkback/xenbus.c
@@ -379,7 +379,7 @@ static struct attribute *xen_vbdstat_att
 	NULL
 };
 
-static struct attribute_group xen_vbdstat_group = {
+static const struct attribute_group xen_vbdstat_group = {
 	.name = "statistics",
 	.attrs = xen_vbdstat_attrs,
 };