Fixed comparison bug

[xeons]

Pull Request checklist

Note: these are not necessarily requirements

• [x] I reformatted the code with clang-format
• [x] I checked to make sure my submission worked
• [x] I am the author of submission or have permission from the original author
• [ ] Requires update of the PS2SDK or other dependencies
• [ ] Others (please specify below)

Pull Request description

Fixed issue where layer_break for dual layer DVDs was not being set, as well as the startup_elf when checking if an input file a ZSO.

This was causing all dual layer games not to work, and blank startup ELFs unless specified.

[AKuHAK]

thanks, hope this helps