vtioctl: fix arrayindexnospec in vtsetactivate
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 v4.14.267 by commit 2a45a6bd1e6d651770aafff57ab3e1d3bb0b42e0. For more details please see the references link.