fix wrong title and icon showing at startup

stepmania/src/ScreenAppearanceOptions.cpp

@@ -156,7 +156,11 @@ void ScreenAppearanceOptions::ExportOptions()
 
 	int iSelectedTheme = m_iSelectedOption[0][AO_THEME];
 	CString sNewTheme = m_OptionRow[AO_THEME].choices[iSelectedTheme];
-	THEME->SwitchTheme( sNewTheme );
+	if( THEME->GetCurThemeName() != sNewTheme )
+	{
+		THEME->SwitchTheme( sNewTheme );
+		ApplyGraphicOptions();	// reset graphics to apply new window title and icon
+	}
 	TEXTUREMAN->DoDelayedDelete();	// delete all textures that don't have references
 
     int iSelectedSkin = m_iSelectedOption[0][AO_SKIN];

stepmania/src/ScreenTitleMenu.cpp

@@ -240,6 +240,7 @@ void ScreenTitleMenu::Input( const DeviceInput& DeviceI, const InputEventType ty
 	if( CodeDetector::EnteredCode(GameI.controller,CodeDetector::CODE_NEXT_THEME) )
 	{
 		THEME->NextTheme();
+		ApplyGraphicOptions();	// update window title and icon
 		SCREENMAN->SystemMessage( "Theme: "+THEME->GetCurThemeName() );
 		SCREENMAN->SetNewScreen( "ScreenTitleMenu" );
 		TEXTUREMAN->DoDelayedDelete();

stepmania/src/StepMania.cpp

@@ -264,6 +264,7 @@ int main(int argc, char* argv[])
 	delete loading_window;		// destroy this before init'ing Display
 
 	PREFSMAN->ReadGlobalPrefsFromDisk( true );
+	PREFSMAN->ReadGamePrefsFromDisk();
 
 	DISPLAY		= new RageDisplay(
 		PREFSMAN->m_bWindowed,