BUG/MEDIUM: log-forward: always quit on parsing errors

The err_code and goto were misplaced, causing a fatal parse error to be
ignored when parsing a UDP listener's address. No backport is needed.
diff --git a/src/log.c b/src/log.c
index 984a31a..5f71bfe 100644
--- a/src/log.c
+++ b/src/log.c
@@ -3630,9 +3630,9 @@
 			else {
 				ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
 				         file, linenum, args[0], args[1], args[2]);
-				err_code |= ERR_ALERT | ERR_FATAL;
-				goto out;
 			}
+			err_code |= ERR_ALERT | ERR_FATAL;
+			goto out;
 		}
 		list_for_each_entry(l, &bind_conf->listeners, by_bind) {
 			/* Currently, only UDP handlers are allowed */