gpiolib: acpi: use correct format characters
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 v4.19.239 by commit 38b0bd0f251010073efb3fc37a708ae9079bb332, it was introduced in version v4.14 by commit e40a3ae1f794a35c4af3746291ed6fedc1fa0f6f. For more details please see the references link.