Log Message:
-----------
Fix mis-display of negative fractional seconds in interval values for
--enable-integer-datetimes case. Per report from Oliver Siegmar.
Modified Files:
--------------
pgsql/src/backend/utils/adt:
datetime.c (r1.138 -> r1.139)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/datetime.c.diff?r1=1.138&r2=1.139)