fix crash with vobsub passthru

the last subtitle buffer was getting added to the buffer pool twice
and ultimately freed twice.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3027 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 3 insertions, 1 deletions

diff --git a/libhb/decvobsub.c b/libhb/decvobsub.c
index 1fd9d5be3..e180b232f 100644
--- a/libhb/decvobsub.c
+++ b/libhb/decvobsub.c
@@ -513,7 +513,9 @@ static hb_buffer_t * Decode( hb_work_object_t * w )
     {
         pv->buf->start  = pv->pts_start;
         pv->buf->stop   = pv->pts_stop;
-        return pv->buf;
+        buf = pv->buf;
+        pv->buf = NULL;
+        return buf;
     }
 
     /* Do the actual decoding now */