Screenshot capability of Software rasterizer for feature completness.

Source/Core/VideoBackends/Software/Src/SWRenderer.h

@@ -6,13 +6,15 @@
 #define _RENDERER_H_
 
 #include "CommonTypes.h"
+#include "Thread.h"
 
 namespace SWRenderer
-{
+{	
 	void Init();
 	void Prepare();
 	void Shutdown();
-
+	
+	void SetScreenshot(const char *_szFilename);
 	void RenderText(const char* pstr, int left, int top, u32 color);
 	void DrawDebugText();