lib/fonts: fix undefined behavior in bit shift for getdefaultfont
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 v5.10.163 by commit c9a9aa02f0fa3318e0ae5774f404419a1b4759ca, it was introduced in version v2.6.23 by commit c81f717cb9e0bd91dc4b98753cb2705ab0fe2801. For more details please see the references link.