rawparse: send segment event in time format also in push mode

When converting the incoming segment from byte to time format,
don't just convert the start/stop/time values, but also change
the segment format to TIME.

https://bugzilla.gnome.org/show_bug.cgi?id=696361

gst/rawparse/gstrawparse.c

@@ -672,6 +672,8 @@ gst_raw_parse_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
       if (segment.format != GST_FORMAT_TIME) {
         gst_event_unref (event);
 
+        segment.format = GST_FORMAT_TIME;
+
         ret =
             gst_raw_parse_convert (rp, segment.format, segment.start,
             GST_FORMAT_TIME, (gint64 *) & segment.start);