Jeremy Drake c8a4983ed9 oleaut32: Fix handling of negative fractional variant dates.
The integer part is the number of days to be added to the epoch
(1899-12-30), and the fractional part (disregarding sign) represents
the fraction of that day that has elapsed.
2010-10-07 12:00:28 +02:00
..
2010-09-27 14:10:44 +02:00