hotline #25250 remove "not null" constraint in notices_articles table

cosmogramme/sql/patch/patch_236.php

+<?php
+$adapter = Zend_Db_Table::getDefaultAdapter();
+$adapter->query('alter table notices_articles modify clef_chapeau varchar(100) NULL');
+$adapter->query('alter table notices_articles modify clef_numero varchar(20) NULL');
+$adapter->query('alter table notices_articles modify clef_article varchar(20) NULL');
+$adapter->query('alter table notices_articles modify clef_unimarc varchar(15) NULL');
+$adapter->query('alter table notices_articles modify unimarc text NULL');
+$adapter->query('alter table notices_articles modify date_maj varchar(20) NULL');
+$adapter->query('alter table notices_articles modify qualite tinyint(4) NULL');
+?>
\ No newline at end of file