CVS domivogt: * Make distcheck fixes.

[FVWM CVS]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     domivogt        07/07/19 04:30:21

Modified files:
        .              : ChangeLog 
        doc            : ChangeLog Makefile.am 
        doc/images     : Makefile.am 
        doc/images/svg_rendering: Makefile.am 
        libs           : PictureImageLoader.c 

Log message:
* Make distcheck fixes.