refs: use warning() instead of fprintf(stderr, "warning: ")

diff --git a/t/t2200-add-update.sh b/t/t2200-add-update.sh
index b2ddf5ace3581bc2a7056c61b9d43499b2657b65..5a8d52f2ff5ecfea8a1d4f9d39a2ed4a08c822e0 100755 (executable)
--- a/t/t2200-add-update.sh
+++ b/t/t2200-add-update.sh
@@ -150,7 +150,7 @@ test_expect_success 'add -u resolves unmerged paths' '
        echo 2 >path3 &&
        echo 2 >path5 &&
        git add -u &&
-       git ls-files -s "path?" >actual &&
+       git ls-files -s path1 path2 path3 path4 path5 path6 >actual &&
        {
                echo "100644 $three 0   path1"
                echo "100644 $one 1     path3"