Win32:Prevent crash without ui_atlas.zim

Just exit PPSSPP.Work around #6843
Merge pull request #6977 from sum2012/UI_Crash

Win32:Prevent crash without ui_atlas.zim
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