message: Fix Corrected off-by one error causing inconsistent row spacing. (rebased to 3.4)
diff: @@ -2212,7 +2212,7 @@ icvCreateTrackbar( const char* trackbar_name, const char* window_name,
  /* Retrieve current buttons count */
  bcount = (int)SendMessage(window->toolbar.toolbar, TB_BUTTONCOUNT, 0, 0);
  - if(bcount > 1)
  + if (bcount > 0)
  {
  /* If this is not the first button then we need to
  separate it from the previous one */
  