Some tests in maint-reflog-beyond-horizon are calling test_must_fail
in such a way that the arguments to test_must_fail do, indeed, fail
but not in the manner expected by the test.
This patch removes the unnecessary and unhelpful double quotes.
Signed-off-by: Jon Seymour <jon.seymour@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>