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 v5.15.86 by commit e83b47580a0738361772d6f24286adfdaba57e36, it was introduced in version v2.6.23 by commit c81f717cb9e0bd91dc4b98753cb2705ab0fe2801. For more details please see the references link.