Win32: Fix a bug in fullscreen. Consolidate the fullscreen code into one function. 99% of the code is the same anyway.
Typo fix.
Should probably be using goingFullscreen too, just for consistency.
Remove unused parameter.
Auto save state load: set current slot to loaded one.
Merge pull request #6569 from sum2012/patch-1

Auto save state load: set current slot to loaded one. by juhalaukkanen
Merge pull request #6566 from thedax/win32-fullscr-fix

Win32: Fix a bug in fullscreen, and consolidate the fullscreen code into one function.
Error when attempting to use Qt via CMake. Otherwise it will build successfully but not actually run, confusing users.