Fix the py2exe template path problem (issue:152) again.
This patch is same with 1834:
24881eaebee3 which is leaved behind by
1897:
58b6784cf9f1.
change default strftime format for better portability
On some systems, such as Solaris and HP-UX, "%c" format
give output without the leading zero on the single-digit
month-day.