Merge branch 'maint'

* maint:
  Fix 'git remote show' regression on empty repository in 1.5.4
  Fix incorrect wording in git-merge.txt.
  git-merge.sh: better handling of combined --squash,--no-ff,--no-commit options
  Fix random crashes in http_cleanup()

builtin-ls-remote.c

@@ -94,11 +94,8 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 		transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
 
 	ref = transport_get_remote_refs(transport);
-	transport_disconnect(transport);
-
-	if (!ref)
+	if (transport_disconnect(transport))
 		return 1;
-
 	for ( ; ref; ref = ref->next) {
 		if (!check_ref_type(ref, flags))
 			continue;