#5 tkiaxphone --- array init on first time

[wkliang]

a patch for simpleclient/tkphone/tkiaxphone
to solve the problem while first-time use withou
tkiaxphone.ini

# tkiaxphone( line 494 )
# add {preferred_codec ""} pair

494,495c494
< array set prefs { user "" pass "" server "" ext ""
preferred_codec ""}
---
> array set prefs { user "" pass "" server ""
ext "" }

regards,
wkliang @ taipei.