CVS griph: new fix for incompatible pointer type warning with gcc 3.4

[FVWM CVS]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     griph   05/12/23 05:01:57

Modified files:
        .              : ChangeLog 
        libs           : Fft.h 

Log message:
new fix for incompatible pointer type warning with gcc 3.4