i18n: do not overuse C_LOCALE_OUTPUT (grep)

diff --git a/t/t4027-diff-submodule.sh b/t/t4027-diff-submodule.sh
index d99814ac641c93383d7199f4419083bedcfc9ea8..241a74d2a20276d711944d3e203083b515486e77 100755 (executable)
--- a/t/t4027-diff-submodule.sh
+++ b/t/t4027-diff-submodule.sh
@@ -316,11 +316,11 @@ test_expect_success 'git diff (empty submodule dir)' '
 test_expect_success 'conflicted submodule setup' '
 
        # 39 efs
-       c=fffffffffffffffffffffffffffffffffffffff
+       c=fffffffffffffffffffffffffffffffffffffff &&
        (
-               echo "000000 $_z40 0    sub"
-               echo "160000 1$c 1      sub"
-               echo "160000 2$c 2      sub"
+               echo "000000 $_z40 0    sub" &&
+               echo "160000 1$c 1      sub" &&
+               echo "160000 2$c 2      sub" &&
                echo "160000 3$c 3      sub"
        ) | git update-index --index-info &&
        echo >expect.nosub '\''diff --cc sub