submodule: don't rely on overlayed config when setting diffopts

diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
index 2e0ba3ebd8ab3273144743dc38675e2b5d429ea1..67b8c50a5ab431345de2909209811fc8e4f12548 100755 (executable)
--- a/t/t9300-fast-import.sh
+++ b/t/t9300-fast-import.sh
@@ -2822,7 +2822,7 @@ test_expect_success 'S: filemodify with garbage after sha1 must fail' '
 #
 # notemodify, three ways to say dataref
 #
-test_expect_success 'S: notemodify with garabge after mark dataref must fail' '
+test_expect_success 'S: notemodify with garbage after mark dataref must fail' '
        test_must_fail git fast-import --import-marks=marks <<-EOF 2>err &&
        commit refs/heads/S
        committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE