sh: machvec: Use char[] for section boundaries
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 v5.4.220 by commit 5abd2626ca379638cc58a7f49b10e03579dfef4f, it was introduced in version v2.6.23 by commit 9655ad03af2d232c3b26e7562ab4f8c29b107e49. For more details please see the references link.