The internal mercurial API expects ordinary 8-bit string objects, not
Unicode string objects. With this change, the test-hg.sh unit tests
pass again.
Signed-off-by: Richard Hansen <rhansen@bbn.com> Reviewed-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>