[PATCH] i18n: use test_i18ncmp in t2020 (checkout --detach)

When v1.7.5-rc0~19^2~1 (checkout: clear commit marks after detached-orphan
check, 2011-03-20) added a check that the human-readable message

	Your branch is behind 'master' by 1 commit, and can be fast-forwarded.

is not suppressed by a previous commit walk, it forgot that the
message might be different when git is configured to write output in
another language.  Skip the output check in that case.

With this patch applied, the test passes with GETTEXT_POISON=true again.

Signed-off-by: Jonathan Nieder <redacted>
---
Hi,

Jeff King wrote:

When leaving a detached HEAD, we do a revision walk to make
sure the commit we are leaving isn't being orphaned.
However, this leaves crufty marks in the commit objects
which can confuse later walkers, like the one in
stat_tracking_info.

Let's clean up after ourselves to prevent this conflict.

Very nice thing to do.  Thanks.

[...]

Should use test_i18ncmp to handle people who force tests to run in
other locales (like the fake GETTEXT_POISON locale).  Quick patch
follows.

 t/t2020-checkout-detach.sh |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/t2020-checkout-detach.sh b/t/t2020-checkout-detach.sh
index 068fba4c..b37ce25c 100755
--- a/t/t2020-checkout-detach.sh
+++ b/t/t2020-checkout-detach.sh

@@ -148,7 +148,7 @@ test_expect_success 'tracking count is accurate after orphan check' '
 	git config branch.child.merge refs/heads/master &&
 	git checkout child^ &&
 	git checkout child >stdout &&
-	test_cmp expect stdout
+	test_i18ncmp expect stdout
 '
 
 test_done

-- 
1.7.10