rem: report -> report_name = g_strdup (report_name);
add: if (report_name) report -> report_name = g_strdup (report_name); else report -> report_name = NULL;
context: gboolean gsb_data_report_set_report_name ( gint report_number,					   const gchar *report_name ){    struct_report *report;    report = gsb_data_report_get_report_by_no (report_number);    if ( !report )	return FALSE;    report -> report_name = g_strdup (report_name);    return TRUE;}