staging: dgnc: sysfs.c: fixes code indent error

This patch fixes the error "code indent should use
tabs where possible" in dgnc_sysfs.c.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/dgnc/dgnc_sysfs.c

@@ -728,8 +728,8 @@ static struct attribute *dgnc_sysfs_tty_entries[] = {
 
 
 static struct attribute_group dgnc_tty_attribute_group = {
-        .name = NULL,
-        .attrs = dgnc_sysfs_tty_entries,
+	.name = NULL,
+	.attrs = dgnc_sysfs_tty_entries,
 };