const: mark remaining super_operations const

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index bff72d8..9f8f67b 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -89,7 +89,7 @@
 	return 0;
 }
 
-static struct super_operations capifs_sops =
+static const struct super_operations capifs_sops =
 {
 	.statfs		= simple_statfs,
 	.remount_fs	= capifs_remount,