Merge changes from LibXPUInfo

[elpalmer]

• Cross-platform enhancements
• Clean build with MSVC x64 /W4 /WX

[MarissaDuBois-Intel]

Hi @elpalmer I made a change so I could compile on windows, can you verify that my change is ok before I merge?

[elpalmer]

Hi @elpalmer I made a change so I could compile on windows, can you verify that my change is ok before I merge?

HI @MarissaDuBois-Intel , that change defeats the purpose of my change to make it build with /WX /W4 as required by SDL. I think I see the issue, though, and I will push another change for you to try.

[elpalmer]

@MarissaDuBois-Intel Please review latest change.

[MarissaDuBois-Intel]

Code changes reviewed, tested, and approved.