staging: r8188eu: Fix warning of array overflow in ioctl_linux.c
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 v5.15.49 by commit 9c8fc4b323ddd330baa20718d8539cfea7bfbf7a, it was introduced in version v5.15 by commit 2b42bd58b32155a1be4dd78991845dec05aaef9e. For more details please see the references link.