iio: mma8452: Fix trigger reference couting
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 v4.19.221 by commit f5deab10ced368c807866283f8b79144c4823be8, it was introduced in version v4.2 by commit ae6d9ce05691bf79694074db7c7da980080548af. For more details please see the references link.