[FIX] point_of_sale: fix variable declaration for use strict

diff --git a/addons/point_of_sale/static/src/js/models.js b/addons/point_of_sale/static/src/js/models.js
index 2b55450..befa3c1 100644 (file)
--- a/addons/point_of_sale/static/src/js/models.js
+++ b/addons/point_of_sale/static/src/js/models.js
@@ -1032,7 +1032,7 @@ function openerp_pos_models(instance, module){ //module is instance.point_of_sal
             }
 
             if(options.extras !== undefined){
-                for (prop in options.extras) { 
+                for (var prop in options.extras) { 
                     line[prop] = options.extras[prop];
                 }
             }