[mythtv] update cec support to work with v2 of libcec

[Craig Treleaven]

At 4:50 PM +0200 6/9/13, Torbjörn Jansson wrote:
>i got tired of mythtv not working with latest version of libcec so i made a
>few changes, see attached patch.
>there is no new features.
>
>patch is against fixes/0.26 but i suspect not much have changed with cec in
>latest dev tree so it probably can be applied easily there too.

Have you coordinated with a dev on this?  If not, 
you're probably better to open a ticket so your 
work doesn't get forgotten...

Craig