fix(headless): Add static_cast for VC6 builds

Author: bobtista

GeneralsMD/Code/GameEngineDevice/Include/W3DDevice/GameClient/W3DGameClient.h

@@ -119,7 +119,7 @@ class W3DGameClient : public GameClient
 #endif
 	/// factory for creating the TerrainVisual
 	// TheSuperHackers @fix bobtista 31/01/2026 Return dummy in headless mode
-	virtual TerrainVisual *createTerrainVisual( void ) { return TheGlobalData->m_headless ? NEW TerrainVisualDummy : NEW W3DTerrainVisual; }
+	virtual TerrainVisual *createTerrainVisual( void ) { return TheGlobalData->m_headless ? static_cast<TerrainVisual*>(NEW TerrainVisualDummy) : NEW W3DTerrainVisual; }
 
 	/// factory for creating the snow manager
 	virtual SnowManager *createSnowManager( void ) { return NEW W3DSnowManager; }

GeneralsMD/Code/GameEngineDevice/Include/W3DDevice/GameClient/W3DInGameUI.h

@@ -71,7 +71,7 @@ class W3DInGameUI : public InGameUI
 
 	/// factory for views
 	// TheSuperHackers @fix bobtista 31/01/2026 Return dummy in headless mode
-	virtual View *createView( void ) { return TheGlobalData->m_headless ? NEW ViewDummy : NEW W3DView; }
+	virtual View *createView( void ) { return TheGlobalData->m_headless ? static_cast<View*>(NEW ViewDummy) : NEW W3DView; }
 
 	virtual void drawSelectionRegion( void );			///< draw the selection region on screen
 	virtual void drawMoveHints( View *view );			///< draw move hint visual feedback