CVS tadam: Fix ExplainWindowPlacement when using "NoUSPosition" style.

[cvs]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     tadam   10/11/12 07:44:48

Modified files:
        .              : ChangeLog NEWS 
        fvwm           : placement.c 

Log message:
Fix ExplainWindowPlacement when using "NoUSPosition" style.