fix glfw keys on non english keyboards

fixes #2562 on all platforms but is still missing armv7 libraries, if someone can compile them? merging this will make that platform stop working so don't merge until the library is compiled for armv7

the glfw branch with the fixes is here:

https://github.com/arturoc/glfw/tree/feature-keysUnicode

in case someone can compile to armv7