rem: list_struct_accounts = g_slist_remove ( list_struct_accounts,
add: list_accounts = g_slist_remove ( list_accounts,
context: gboolean gsb_account_delete ( gint no_account ){    struct_account *account;    account = gsb_account_get_structure ( no_account );    if (!account )	return FALSE;    g_slist_free ( account -> method_payment_list );/* FIXME : faire une fonction pour mieux faire ça quand la struct liste opé sera faite */    g_slist_free ( account -> transactions_list );    g_slist_free ( account -> sort_list );        list_struct_accounts = g_slist_remove ( list_struct_accounts,					    account );    free ( account );    return TRUE;}