CVS tadam: Correct typo of dates in Changelog.

[FVWM CVS]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     tadam   09/08/05 15:32:58

Modified files:
        .              : ChangeLog 

Log message:
Correct typo of dates in Changelog.

We're in August currently, not September.