CVS tadam: Fix Echo command displaying messages

[cvs]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     tadam   13/04/16 09:53:26

Modified files:
        fvwm           : Tag: branch-2_6 builtins.c misc.c 

Log message:
Fix Echo command displaying messages

This fixes Echo when using fvwm_msg()