[mythtvnz] Minor issues with epgsnoop

[Steven Ellis]

It looks like there is a problem where the the program name or other meta
data contains a "$". This results in an empty/Unknown program entry.

Noticed this as I missed Wa$ted on TV3 yesterday.

Steve
--------------------------------------------
Steven Ellis - Technical Director
OpenMedia Limited - The Home of myPVR
email   - steven@openmedia.co.nz
sales   - sales@openmedia.co.nz
support - support@openmedia.co.nz
website - http://www.openmedia.co.nz