DX9: Disable an annoying warning in vertex shader generator to clean up our reports

warning X3571: pow(f, e) will not work for negative f, use abs(f) or conditionally handle negative values if you expect them
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