Add column "fk_parent_line" to llx_mrp_mo

htdocs/install/mysql/migration/15.0.0-16.0.0.sql

@@ -94,3 +94,5 @@ CREATE TABLE llx_stock_mouvement_extrafields (
     fk_object integer NOT NULL,
     import_key varchar(14)
 )ENGINE=innodb;
+
+ALTER TABLE llx_mrp_mo ADD COLUMN fk_parent_line integer;

htdocs/install/mysql/tables/llx_mrp_mo.sql

@@ -40,6 +40,7 @@ CREATE TABLE llx_mrp_mo(
 	date_end_planned datetime, 
 	fk_bom integer, 
 	fk_project integer,
-	last_main_doc varchar(255)
+	last_main_doc varchar(255),
+    fk_parent_line integer
     -- END MODULEBUILDER FIELDS
 ) ENGINE=innodb;