Fixing bug with UTF-16 files when they are retrieved by git-p4. It
was always getting the tip version of the file and the history of
the file was lost.
Signed-off-by: Miguel Torroja <miguel.torroja@gmail.com> Acked-by: Luke Diamand <luke@diamand.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>