[python] python-utils.c (python_string_to_unicode): Always return a new reference.

[Tom Tromey]

>>>>> "Phil" == Phil Muldoon <pmuldoon@redhat.com> writes:

Phil> 2009-02-26  Phil Muldoon  <pmuldoon@redhat.com>
Phil>             * python/python-utils.c (python_string_to_unicode): Always
Phil> return
Phil>              a new reference.
[...]

This is ok.

thanks,
Tom