[net/asterisk] Asterisk 1.8 fails to build a package

[Bob Eager]

As it says. I can do:

make clean
make
make package

and it installs fine, but then:

---------------------------------------------------------------------
===>  Building package for asterisk18-1.8.1.1
tar: lib/asterisk/modules/cel_pgsql.so: Cannot stat: No such file or directory
tar: lib/asterisk/modules/cel_radius.so: Cannot stat: No such file or directory
tar: Error exit delayed from previous errors.
pkg_create: make_dist: tar command failed with code 256
*** Error code 1

Stop in /usr/ports/net/asterisk.
*** Error code 1

Stop in /usr/ports/net/asterisk.
---------------------------------------------------------------------