Backport of "rtsp-media: Use guint64 for setting the size-time property on rtpstorage" into 1.18
Backport of !169 (merged) "rtsp-media: Use guint64 for setting the size-time property on rtpstorage".
Commits:
- c1ede049 rtsp-media: Use guint64 for setting the size-time property on rtpstorage