[mythtv] dvb cam problems with version 0.18

[jesper at datapartner.se]

> What I have found is tuning encrypted channels will succeed when only
> using
> the CA System ID 0x0624. If I use 0x0604 it fails, even though both are
> reported as acceptable by the CAM earlier in the logfile.

I noticed that the CA descriptors are sent in ascending numerical order (I
guess they are sorted automatically since they are stored in a QMap).
Maybe you need them to be sent in the original order? Should be simple to
test...