fix: sync GeneralsMD LoadScreen base class and remove accidental Generals GameClient.cpp changes

Author: bobtista

Generals/Code/GameEngine/Source/GameClient/GameClient.cpp

@@ -568,6 +568,7 @@ void GameClient::update( void )
 	{
 		TheKeyboard->UPDATE();
 		TheKeyboard->createStreamMessages();
+
 	}
 
 	// Update the Eva stuff

GeneralsMD/Code/GameEngine/Include/GameClient/LoadScreen.h

@@ -63,7 +63,7 @@ class LoadScreen
 	virtual void update( Int percent ); ///< Update the state of the slider bars
 	virtual void processProgress(Int playerId, Int percentage) = 0;
 	virtual void setProgressRange( Int min, Int max ) = 0;
-	virtual Bool skipVideo( void ) { return FALSE; }
+	virtual Bool skipVideo( void ) = 0;
 protected:
 	void setLoadScreen( GameWindow *g ) { m_loadScreen = g; }
 	GameWindow *m_loadScreen;		///< The GameWindow that is our loadscreen