CVS migo: reformat FvwmButtons code to be more readable and consistent

[FVWM CVS]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     migo    06/02/09 17:17:05

Modified files:
        modules        : ChangeLog 
        modules/FvwmButtons: FvwmButtons.c FvwmButtons.h button.h draw.h 
                             icons.c icons.h misc.c misc.h output.c 
                             parse.c 

Log message:
reformat FvwmButtons code to be more readable and consistent