Don't shutdown TextureFilterHandler on RomClosed.

Fixed texture cache reload on savestate load.

OpenGL.h

@@ -213,7 +213,7 @@ class TextureFilterHandler
 public:
 	TextureFilterHandler() : m_inited(0) {}
 	// It's not safe to call shutdown() in destructor, because texture filter has its own static objects, which can be destroyed first.
-	~TextureFilterHandler() { m_inited = 0; }
+	~TextureFilterHandler() { shutdown(); }
 	void init();
 	void shutdown();
 	bool isInited() const { return m_inited != 0; }

common/CommonAPIImpl_common.cpp

@@ -50,7 +50,6 @@ void RSP_ThreadProc(std::mutex * _pRspThreadMtx, std::mutex * _pPluginThreadMtx,
 			VI_UpdateScreen();
 			break;
 		case acRomClosed:
-			TFH.shutdown();
 			video().stop();
 			GBI.destroy();
 			*_pCommand = acNone;