iio: core: fix ioctl handlers removal
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.5 by commit ab6c935ba3a04317632f3b8b68675bdbaf395303, it was introduced in version v5.11 by commit 8dedcc3eee3aceb37832176f0a1b03d5687acda3. For more details please see the references link.