Revert "do not store milliseconds"

This reverts commit 6b3cbf4b.

src/julian_date.c

@@ -107,7 +107,7 @@ secofday_decode(double secondOfDay)
   const int fullSeconds = (int) secondOfDay;
 
 //  time.ms = (int) lround((secondOfDay - fullSeconds) * 1000);
-//  time.ms = (short) lround((secondOfDay - fullSeconds) * 1000);
+  time.ms = (short) lround((secondOfDay - fullSeconds) * 1000);
 
   const int hour = fullSeconds / 3600;
   const int minute = fullSeconds / 60 - hour * 60;