add: CURRENCY_POINTER_COLUMN, devise,
context: void append_currency_to_currency_list ( GtkTreeStore * model, struct struct_devise * devise ){    GdkPixbuf * pixbuf;    GtkTreeIter iter;    pixbuf = gdk_pixbuf_new_from_file ( g_strconcat( PIXMAPS_DIR, C_DIRECTORY_SEPARATOR,						     "flags", C_DIRECTORY_SEPARATOR,						     devise -> code_iso4217_devise,						     ".png", NULL ),					NULL );	    gtk_tree_store_append (GTK_TREE_STORE(model), &iter, NULL);    gtk_tree_store_set ( GTK_TREE_STORE ( model ), &iter,			 CURRENCY_FLAG_COLUMN, pixbuf,			 COUNTRY_NAME_COLUMN, "",			 CURRENCY_NAME_COLUMN, devise -> nom_devise,			 CURRENCY_ISO_CODE_COLUMN, devise -> code_iso4217_devise,			 CURRENCY_NICKNAME_COLUMN, devise -> code_devise,			 CURRENCY_HAS_FLAG, TRUE,			 -1);}