shell variable $? as $$? so it wouldn't be treated as a make variable.
This is wrong but nonfatal with NetBSD's make, but fatal with some other
versions of make.
While here, unhide a chmod that pkglint was complaining about.
PKGREVISION++ (now at 5)
* Move installation of config files to ${PREFIX}/lib/X11/xview
(consistent with how lesstif installs into ${PREFIX}/lib/X11/lesstif)
* Provide a xmkmf-type script called "xvmkmf" which does the right thing
for programs needing to generate Makefiles from Imakefiles using XView.
* Bump version number to 3.2.1nb1.