Fix Qt build in Linux, problem to recognize SDL2.
Merge pull request #6987 from sergiobenrocha2/master

Fix Qt build in Linux, problem to recognize SDL2.
Rebase RadarNyan work on Generate version while build on Wiondows
Merge branch 'windows-exe-version' of https://github.com/RadarNyan/ppsspp into verbuild

Conflicts:
	Windows/version.rc