fix field too short (#28238)

htdocs/install/mysql/tables/llx_fichinter_rec.sql

@@ -4,7 +4,7 @@
 -- Copyright (C) 2009      Regis Houssin        <regis.houssin@inodbox.com>
 -- Copyright (C) 2010      Juanjo Menent        <jmenent@2byte.es>
 -- Copyright (C) 2018      Charlene Benke		    <charlie@patas-monkey.com>
--- 
+--
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
 -- the Free Software Foundation; either version 3 of the License, or
@@ -27,18 +27,18 @@ create table llx_fichinter_rec
 	entity				integer DEFAULT 1 NOT NULL,	 -- multi company id
 	fk_soc				integer DEFAULT NULL,
 	datec				datetime,  -- date de creation
-	
+
 	fk_contrat			integer DEFAULT 0,          -- contrat auquel est rattache la fiche
 	fk_user_author		integer,             -- createur
 	fk_projet			integer,             -- projet auquel est associe la facture
 	duree				real,                       -- duree totale de l'intervention
 	description			text,
-	modelpdf			varchar(50),
+	modelpdf			varchar(255),
 	note_private		text,
 	note_public			text,
 
 	frequency			integer,					-- frequency (for example: 3 for every 3 month)
-	unit_frequency		varchar(2) DEFAULT 'm',		-- 'm' for month (date_when must be a day <= 28), 'y' for year, ... 
+	unit_frequency		varchar(2) DEFAULT 'm',		-- 'm' for month (date_when must be a day <= 28), 'y' for year, ...
 	date_when			datetime DEFAULT NULL,		-- date for next gen (when an invoice is generated, this field must be updated with next date)
 	date_last_gen		datetime DEFAULT NULL,		-- date for last gen (date with last successfull generation of invoice)
 	nb_gen_done			integer DEFAULT NULL,		-- nb of generation done (when an invoice is generated, this field must incremented)