security/selinux: constify function pointer tables and fields

Constify function pointer tables and fields.

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/include/linux/security.h b/include/linux/security.h
index e4a91cb..d249742 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -2300,7 +2300,7 @@
 						mode_t mode,
 						struct dentry *parent,
 						void *data,
-						struct file_operations *fops)
+						const struct file_operations *fops)
 {
 	return ERR_PTR(-ENODEV);
 }