Merge pull request #9396 from edx/awais786/ECOM-2106-verificatoin-bug-with-otto

fixing issue with student re-verification.

lms/static/js/commerce/views/receipt_view.js

@@ -36,7 +36,7 @@ var edx = edx || {};
             this.username = this.$el.data('username');
             _.extend(context, {
                 receipt: this.receiptContext(data),
-                courseKey: this.course_key
+                courseKey: this.courseKey
             });
 
             this.$el.html(_.template(templateHtml, context));