userdiff: add built-in pattern for CSS

diff --git a/t/t4151-am-abort.sh b/t/t4151-am-abort.sh
index ea5ace99a14f7f31b63dfd9cf25123725a525519..9473c2779ef0df109f6943a949583676ea5ceabf 100755 (executable)
--- a/t/t4151-am-abort.sh
+++ b/t/t4151-am-abort.sh
@@ -82,7 +82,7 @@ test_expect_success 'am -3 --abort removes otherfile-4' '
        test 4 = "$(cat otherfile-4)" &&
        git am --abort &&
        test_cmp_rev initial HEAD &&
-       test -z $(git ls-files -u) &&
+       test -z "$(git ls-files -u)" &&
        test_path_is_missing otherfile-4
 '