Set otherwise unset struct element.

src/mtime_timedelta.c

@@ -865,6 +865,9 @@ julianDeltaToTimeDelta(struct _juliandelta* jd, struct _datetime* base_dt, struc
   /* Pointer to an array of month_specific_delta_in_months. */
   const int (*msdinm)[NO_OF_MONTHS_IN_A_YEAR+1];
 
+  /* We simply assume this routines returns a "normalized" timedelta. */
+  td_return->flag_std_form = 1;
+
   /* Set parameter according to calender. */
   switch (getCalendarType())
     {