Almost have cross compiling for win32 w/ mingw working
Did some playing around trying to get mingw builds working for win32
cross compiles.  Failed so far because fedora's mingw qt5 multimedia
package appears to be missing the Qt5Multimedia libraries, and the fmod
linkable libraries for mingw only support the C api, not the C++ api
that I wrote the fmod backend with.  Everything should be back into a
compilable state on Linux, and should in theory compile okay using qt-