dash: Fixing SegmentInfoCommon initialization/deletion.

This prevents a potential crash, and solves a memory leak.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 83b82fc3805b1217cb6204fc4f763550416f0de0)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/stream_filter/dash/mpd/SegmentInfoCommon.cpp

@@ -24,11 +24,22 @@
 
 #include "SegmentInfoCommon.h"
 
+#include "Segment.h"
+#include "SegmentTimeline.h"
+
 using namespace dash::mpd;
 
 SegmentInfoCommon::SegmentInfoCommon() :
-    duration( -1 )
+    duration( -1 ),
+    initialisationSegment( NULL ),
+    segmentTimeline( NULL )
+{
+}
+
+SegmentInfoCommon::~SegmentInfoCommon()
 {
+    delete this->segmentTimeline;
+    delete this->initialisationSegment;
 }
 
 time_t      SegmentInfoCommon::getDuration() const

modules/stream_filter/dash/mpd/SegmentInfoCommon.h

@@ -39,6 +39,7 @@ namespace dash
         {
             public:
                 SegmentInfoCommon();
+                virtual ~SegmentInfoCommon();
                 time_t                  getDuration() const;
                 void                    setDuration( time_t duration );
                 int                     getStartIndex() const;