[tz] [PATCH 3/3] tzselect: use /bin/sh by default

[SM]

Hi Paul,
At 12:29 27-10-2012, Paul Eggert wrote:
>How about if we just default to Bash instead?
>Pretty much everybody has Bash if they don't have ksh,

Most platforms have /bin/sh.  Bash is not in base on BSD.

Regards,
-sm