maint: check return of split_cmdline to avoid bad config strings

diff --git a/t/t5510-fetch.sh b/t/t5510-fetch.sh
index 13d1d826c20293c26c739c70c0a36ed48bbb41d1..de26c203270522983f9ffae4e0bde64a61898567 100755 (executable)
--- a/t/t5510-fetch.sh
+++ b/t/t5510-fetch.sh
@@ -111,7 +111,7 @@ test_expect_success 'fetch must not resolve short tag name' '
 test_expect_success 'fetch must not resolve short remote name' '
 
        cd "$D" &&
-       git-update-ref refs/remotes/six/HEAD HEAD
+       git update-ref refs/remotes/six/HEAD HEAD
 
        mkdir six &&
        cd six &&