PVS-Studio warning V501 for Firefox

NS_IMETHODIMP
nsNativeThemeWin::WidgetStateChanged(....)
{
  ....
  if (aWidgetType == NS_THEME_WINDOW_TITLEBAR ||
      aWidgetType == NS_THEME_WINDOW_TITLEBAR_MAXIMIZED ||
      aWidgetType == NS_THEME_WINDOW_FRAME_LEFT ||
      aWidgetType == NS_THEME_WINDOW_FRAME_RIGHT ||
      aWidgetType == NS_THEME_WINDOW_FRAME_BOTTOM ||
      aWidgetType == NS_THEME_WINDOW_BUTTON_CLOSE ||
      aWidgetType == NS_THEME_WINDOW_BUTTON_MINIMIZE ||  <<<<====
      aWidgetType == NS_THEME_WINDOW_BUTTON_MINIMIZE ||  <<<<====
      aWidgetType == NS_THEME_WINDOW_BUTTON_RESTORE) {
    *aShouldRepaint = true;
    return NS_OK;
  ....
}

This suspicious code was found in Firefox project by PVS-Studio static code analyzer.
Warning message is:
V501 There are identical sub-expressions 'aWidgetType == 237' to the left and to the right of the '||' operator. nsnativethemewin.cpp 2475

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/