[ZH] Fix compilation using MinGW

GeneralsMD/Code/GameEngine/Include/GameClient/Anim2D.h

@@ -37,6 +37,7 @@
 
 // FORWARD REFERENCES /////////////////////////////////////////////////////////////////////////////
 class Image;
+class Anim2DCollection;
 
 // ------------------------------------------------------------------------------------------------
 // ------------------------------------------------------------------------------------------------

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

@@ -50,6 +50,9 @@ class Thing;
 class Waypoint;
 class LookAtTranslator;
 
+enum FilterModes CPP_11(: int);
+enum FilterTypes CPP_11(: int);
+
 // ------------------------------------------------------------------------------------------------
 // ------------------------------------------------------------------------------------------------
 // ------------------------------------------------------------------------------------------------

GeneralsMD/Code/GameEngine/Include/GameLogic/AIPathfind.h

@@ -42,6 +42,7 @@ class Bridge;
 class Object;
 class Weapon;
 class PathfindZoneManager;
+class PathfindCell;
 
 // How close is close enough when moving.
 

GeneralsMD/Code/GameEngineDevice/Include/W3DDevice/GameClient/W3DBridgeBuffer.h

@@ -70,6 +70,8 @@ class W3DTerrainLogic;
 class W3DAssetManager;
 class SimpleSceneClass;
 
+enum BodyDamageType CPP_11(: int);
+
 //-----------------------------------------------------------------------------
 //           Type Defines
 //-----------------------------------------------------------------------------

GeneralsMD/Code/GameEngineDevice/Include/W3DDevice/GameClient/W3DShaderManager.h

@@ -37,6 +37,7 @@
 #define __W3DSHADERMANAGER_H_
 
 #include "WW3D2/texture.h"
+enum FilterModes CPP_11(: int);
 enum FilterTypes CPP_11(: int);
 enum CustomScenePassModes CPP_11(: int);
 enum StaticGameLODLevel CPP_11(: int);

GeneralsMD/Code/Libraries/Source/WWVegas/WW3D2/meshmdl.h

@@ -84,6 +84,8 @@ class DX8PolygonRendererAttachClass;
 class DX8SkinFVFCategoryContainer;
 class GapFillerClass;
 
+class MeshModelClass;
+
 struct VertexFormatXYZNDUV2;
 
 /**

GeneralsMD/Code/Libraries/Source/WWVegas/WW3D2/texture.h

@@ -67,6 +67,7 @@ class LoaderThreadClass;
 class TextureLoadTaskClass;
 class CubeTextureClass;
 class VolumeTextureClass;
+class TextureClass;
 
 class TextureBaseClass : public RefCountClass
 {

GeneralsMD/Code/Libraries/Source/WWVegas/WW3D2/textureloader.h

@@ -51,6 +51,7 @@
 class StringClass;
 struct IDirect3DTexture8;
 class TextureLoadTaskClass;
+class TextureLoadTaskListClass;
 
 class TextureLoader
 {