Update vacation-photo.handlebars

Author: zhtubo

ch08-jquery-file-upload/views/contest/vacation-photo.handlebars

@@ -1,6 +1,6 @@
 <form class="form-horizontal" role="form" 
 		enctype="multipart/form-data" method="POST"
-		action="/contest/vacation-photo/{year}/{month}">
+		action="/contest/vacation-photo/{{year}}/{{month}}">
 	<div class="form-group">
 		<label for="fieldName" class="col-sm-2 control-label">Name</label>
 		<div class="col-sm-4">