Free flipbuffer

Core/Screenshot.cpp

@@ -241,6 +241,7 @@ bool TakeGameScreenshot(const char *filename, ScreenshotFormat fmt, ScreenshotTy
 		// TODO: Handle other formats (e.g. Direct3D, raw framebuffers.)
 		QImage image(buffer, buf.GetStride(), buf.GetHeight(), QImage::Format_RGB888);
 		success = image.save(filename, fmt == SCREENSHOT_PNG ? "PNG" : "JPG");
+		delete [] flipbuffer;
 	}
 #else
 	if (success) {