Fix: Modify length of code journal for accountancy in bank account

htdocs/install/mysql/migration/3.9.0-4.0.0.sql

@@ -23,6 +23,7 @@
 
 
 ALTER TABLE llx_accounting_bookkeeping ADD COLUMN validated tinyint DEFAULT 0 NOT NULL;
+ALTER TABLE llx_bank_account MODIFY COLUMN accountancy_journal varchar(16) DEFAULT NULL;
 
 ALTER TABLE llx_fichinter ADD COLUMN datet date  after duree;
 ALTER TABLE llx_fichinter ADD COLUMN datee date  after duree;

htdocs/install/mysql/tables/llx_bank_account.sql

@@ -51,7 +51,7 @@ create table llx_bank_account
   rappro				smallint DEFAULT 1,
   url					varchar(128),
   account_number		varchar(32),				-- bank accountancy number
-  accountancy_journal	varchar(3) DEFAULT NULL,	-- bank accountancy journal
+  accountancy_journal	varchar(16) DEFAULT NULL,	-- bank accountancy journal
   currency_code			varchar(3) NOT NULL,
   min_allowed			integer DEFAULT 0,
   min_desired			integer DEFAULT 0,