minor change in new-grid-update

sails/roles/database/files/new-grid-system-adapt.sql

@@ -100,7 +100,7 @@ BEGIN
           SET LID = LAST_INSERT_ID();
 
           -- Esta nueva escena es siempre hija de algun pictograma, lo busco para asociarlo a dicha escena
-          SELECT id_pic FROM picto_exp WHERE `text` = _grid_name COLLATE utf8_general_ci AND LANG = 'es-es' INTO _id_pic;
+          SELECT id_pic FROM picto_exp WHERE `text` = _grid_name COLLATE utf8_general_ci AND lang = 'es-es' INTO _id_pic;
           SELECT id FROM stu_picto WHERE id_pic = _id_pic AND id_stu = _id_stu AND id_child_grid IS NULL LIMIT 1 INTO _id_parent_picto;
 
           -- Actualizo id_child_grid para el pictograma padre