demux: adaptative: set split time to child, not parent

modules/demux/adaptative/playlist/SegmentInformation.cpp

@@ -281,8 +281,8 @@ static void insertIntoSegment(std::vector<ISegment *> &seglist, size_t start,
             SubSegment *subsegment = new SubSegment(segment,
                                                     start + segment->getOffset(),
                                                     (end != 0) ? end + segment->getOffset() : 0);
+            subsegment->startTime.Set(time);
             segment->addSubSegment(subsegment);
-            segment->startTime.Set(time);
             break;
         }
     }