rem: if ( ope_ventil -> no_piece_comptable )
add: if ( operation_2 -> no_piece_comptable )
context: GSList *creation_liste_ope_de_ventil ( struct structure_operation *operation ){    GSList *liste_ventil;    GSList *liste_operations;    GSList *liste_tmp;    liste_ventil = NULL;    liste_operations = NULL;    /* si c'est une nouvelle opé, il n'y a aucun opé de ventil associée */    if ( !operation )	return ( NULL );    p_tab_nom_de_compte_variable = p_tab_nom_de_compte + operation -> no_compte;    liste_tmp = LISTE_OPERATIONS;    while ( liste_tmp )    {	struct structure_operation *operation_2;	operation_2 = liste_tmp -> data;	/* si l'opération est une opé de ventil de l'opé demandée, on lui fait une struct struct_ope_ventil */	if ( operation_2 -> no_operation_ventilee_associee == operation -> no_operation )	{	    struct struct_ope_ventil *ope_ventil;	    ope_ventil = calloc ( 1,				  sizeof ( struct struct_ope_ventil ));	    ope_ventil -> no_operation = operation_2 -> no_operation;	    ope_ventil -> montant = operation_2 -> montant;	    ope_ventil -> categorie = operation_2 -> categorie;	    ope_ventil -> sous_categorie = operation_2 -> sous_categorie;	    if ( operation_2 -> notes )		ope_ventil -> notes = g_strdup ( operation_2 -> notes );	    ope_ventil -> imputation = operation_2 -> imputation;	    ope_ventil -> sous_imputation = operation_2 -> sous_imputation;	    ope_ventil -> no_exercice = operation_2 -> no_exercice;	    if ( ope_ventil -> no_piece_comptable )		ope_ventil -> no_piece_comptable = g_strdup ( operation_2 -> no_piece_comptable );	    ope_ventil -> relation_no_operation = operation_2 -> relation_no_operation;	    ope_ventil -> relation_no_compte = operation_2 -> relation_no_compte;	    ope_ventil -> pointe = operation_2 -> pointe;	    /* si c'est un virement, on va rechercher le type de l'autre opération */	    if ( ope_ventil -> relation_no_operation &&		 ope_ventil -> relation_no_compte != -1 )	    {		struct structure_operation *operation_associee;		operation_associee = operation_par_no ( ope_ventil -> relation_no_operation,							ope_ventil -> relation_no_compte );		if ( operation_associee )		    ope_ventil -> no_type_associe = operation_associee -> type_ope;	    }	    liste_ventil = g_slist_append ( liste_ventil,					    ope_ventil );	}	liste_tmp = liste_tmp -> next;    }    return ( liste_ventil );}