(trafficshaper) improve error handling

src/opnsense/mvc/app/controllers/OPNsense/TrafficShaper/Api/ServiceController.php

@@ -49,7 +49,12 @@ class ServiceController extends ApiControllerBase
 
             $backend = new Backend();
             $backend->configdRun("template reload OPNsense.IPFW");
-            $status = $backend->configdRun("ipfw reload");
+            $bckresult = trim($backend->configdRun("ipfw reload"));
+            if ($bckresult == "OK") {
+                $status = "ok";
+            } else {
+                $status = "error reloading shaper (".$bckresult.")";
+            }
 
             return array("status" => $status);
         } else {

src/opnsense/mvc/app/views/OPNsense/TrafficShaper/index.volt

@@ -254,7 +254,7 @@ POSSIBILITY OF SUCH DAMAGE.
                     BootstrapDialog.show({
                         type: BootstrapDialog.TYPE_WARNING,
                         title: "Error reconfiguring trafficshaper",
-                        message: JSON.stringify(data),
+                        message: data['status'],
                         draggable: true
                     });
                 }