When creating a new course, allow Auth_UserModel::findCurrentUser() to throw...

When creating a new course, allow Auth_UserModel::findCurrentUser() to throw an exception before the value is used.

application/modules/courses/controllers/NewController.php

@@ -79,7 +79,8 @@ class Courses_NewController extends App_Controller_Action
         $request = Requests_RequestModel::fetchNew();
         $request->setType($in->type);
         $request->setModule('courses');
-        $request->setOwner(Auth_UserModel::findCurrentUser());
+        $user = Auth_UserModel::findCurrentUser();
+        $request->setOwner($user);
         $parentCourse = Courses_CourseModel::findByCourseCode($in->subject, $in->courseNumber, $in->courseLetter);
         if ($parentCourse) {
         	$course = clone $parentCourse;