Make mtd_group and mtd_groups static since they are only used in this
file.
[Amended by Artem Bityutskiy]
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
        NULL,
 };
 
-struct attribute_group mtd_group = {
+static struct attribute_group mtd_group = {
        .attrs          = mtd_attrs,
 };
 
-struct attribute_group *mtd_groups[] = {
+static struct attribute_group *mtd_groups[] = {
        &mtd_group,
        NULL,
 };