Update to yelp-3.8.0.

Written by: Antoine Jacoutot <ajacoutot@openbsd.org>

Conflicts:
	x11/gnome/yelp/patches/patch-configure
Update to devhelp-3.8.0.

Written by: Antoine Jacoutot <ajacoutot@openbsd.org>

Conflicts:
	x11/gnome/devhelp/patches/patch-configure