fvwm 2.6.0 and stability

[Emmanuel Seyman]

Downloading fvwm-2.6.0, I noticed a small mistake in the fvwm-config
script:

[manu@duat ~]$ fvwm-config -v
2.6.0
[manu@duat ~]$ fvwm-config --is-stable
no

Not sure if it was fixed in 2.6.1.

Emmanuel