regulator: core: fix module refcount leak in set_supply()
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 v4.9.337 by commit 68c4ab962d3b380755a85097543715db66562127, it was introduced in version v4.2 by commit e2c09ae7a74d94222187edbe8f5cf1fa9364efcd. For more details please see the references link.