rtspclientsink: make leaks tracer happy, fix leaks in unit tests
rtspclientsink: mark cached caps as maybe-leaked to make leaks tracer happytests: rtspclientsink: fix some leaksDue to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
rtspclientsink: mark cached caps as maybe-leaked to make leaks tracer happytests: rtspclientsink: fix some leaks