message: Fix qrenderdoc compilation on Win32
diff: @@ -76,7 +76,7 @@ struct Version
  };
  #if defined(Q_OS_WIN32)
  -extern "C" void *GetModuleHandleA(const char *);
  +extern "C" void *__stdcall GetModuleHandleA(const char *);
  #endif
  MainWindow::MainWindow(CaptureContext &ctx) : QMainWindow(NULL), ui(new Ui::MainWindow), m_Ctx(ctx)
  