t4200: convert sed expression which operates on non-text file to perl

diff --git a/t/t2200-add-update.sh b/t/t2200-add-update.sh
index 5a8d52f2ff5ecfea8a1d4f9d39a2ed4a08c822e0..912075063b9946d38a9ff72621cb80bcf2c05399 100755 (executable)
--- a/t/t2200-add-update.sh
+++ b/t/t2200-add-update.sh
@@ -80,7 +80,7 @@ test_expect_success 'change gets noticed' '
 
 '
 
-test_expect_success 'replace a file with a symlink' '
+test_expect_success SYMLINKS 'replace a file with a symlink' '
 
        rm foo &&
        ln -s top foo &&