CVS domivogt: * Fixed build error with -j 2.

[FVWM CVS]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     domivogt        07/08/28 03:02:51

Modified files:
        doc            : ChangeLog 
        doc/fvwm       : Makefile.am 

Log message:
* Fixed build error with -j 2.