[mythtv] Minor fixes to mythlcdprocclient.cpp

[Thien Vu]

Hi,

I have a Shuttle M1000 that has a 1 row, 20 character display. It
seems that mythlcdprocclient.cpp assumes the LCDs are at least 3 rows
tall, which causes some screens to not show anything useful. I started
grokking the code base and will be making more changes in the future.
The first thing is to fix some minor off-by-one errors since LCD
addressing starts at 1 and not at zero.

http://www.thien-vu.dyndns.org/~thien/mythtv-svn-lcd-fixes.diff

Thanks,

Thien

-- 
http://www.thien-vu.dyndns.org/~thien
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