Ruby shim broken

[Geoffrey T. Falk]

# cd /usr/ports/lang/ruby16-shim-ruby18
# make

[...]

make
make: don't know how to make /usr/ports/lang/ruby/work/ruby-1.6.2/mkcallback.rb. Stop
setup failed
'system make' failed
try 'ruby install.rb --help' for usage
*** Error code 1

Stop in /usr/ports/lang/ruby16-shim-ruby18/work/shim/ruby16.
*** Error code 1

Stop in /usr/ports/lang/ruby16-shim-ruby18.


-----
It is looking for ruby-1.6.2, but I have ruby-1.6.8.
This is needed to build "portupgrade". Please fix.
I'm at RELENG_4_8 as of yesterday.

Thanks
Geoffrey