Example project fails build on Linux

[alternative16]

I am using Arch linux and i tried building the example project. I get the following errors from TinyWindow.h
errors.txt
I get the same errors in any project where I use TinyWindow.

Thanks for the help!

[michael-hardeman]

I have opened a PR to fix these issues.
#31

[ziacko]

compilation issue has been fixed with latest commits