Allow specifying carrier in tracking code too

endpoints/logistics.tracking.php

@@ -17,7 +17,7 @@ if (!empty($VARS["carrier"])) {
 if ($carrier == "") {
     $codeparts = explode(":", $code);
     if (count($codeparts) == 2) {
-        switch (strtoupper(trim($codeparts[1]))) {
+        switch (strtoupper(trim($codeparts[0]))) {
             case "FEDEX":
                 $carrier = "fedex";
                 break;