fetch-pack: report missing refs even if no existing refs were received

This fixes a test in t5500.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/fetch-pack.c

@@ -1021,7 +1021,7 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
 		return 1;
 
 	ret = !ref;
-	if (ref && sought.nr) {
+	if (sought.nr) {
 		/* If the heads to pull were given, we should have
 		 * consumed all of them by matching the remote.
 		 * Otherwise, 'git fetch remote no-such-ref' would

t/t5500-fetch-pack.sh

@@ -403,7 +403,7 @@ test_expect_success 'set up tests of missing reference' '
 	EOF
 '
 
-test_expect_failure 'test lonely missing ref' '
+test_expect_success 'test lonely missing ref' '
 	(
 		cd client &&
 		test_must_fail git fetch-pack --no-progress .. refs/heads/xyzzy