message: videoio(dshow) fix memory leak
diff: @@ -2496,7 +2496,10 @@ static void findClosestSizeAndSubtype(videoDevice * VD, int widthIn, int heightI
  int tempH = 999999;
  //Don't want to get stuck in a loop
  - if(stepX < 1 || stepY < 1) continue;
  + if(stepX < 1 || stepY < 1){
  + MyDeleteMediaType(pmtConfig);
  + continue;
  + }
  //DebugPrintOut("min is %i %i max is %i %i - res is %i %i\n", scc.MinOutputSize.cx, scc.MinOutputSize.cy, scc.MaxOutputSize.cx, scc.MaxOutputSize.cy, stepX, stepY);
  //DebugPrintOut("min frame duration is %i max duration is %i\n", scc.MinFrameInterval, scc.MaxFrameInterval);
  