Use function of /bin/sh for autogen. This makes freetalk installation more friendly for the the not 'just Linux' world, for example: Solaris, HPUX and BSD OSes
Merge pull request #23 from olevole/master

Use function of /bin/sh for autogen. This makes freetalk installation mo...
Fix GLib-WARNING about GError.

The warning:
GLib-WARNING **: GError set over the top of a previous GError or uninitialized memory.
This indicates a bug in someone's code. You must ensure an error is NULL before it's set.
Ignore the space after `:' in `buddy: message'.