V3.0.x redhat 20140523

Build fix for redhat.

Without this, the build fails with

[  178s] error: Installed (but unpackaged) file(s) found:
[  178s]    /etc/raddb/mods-config/unbound/default.conf
[  178s]    /usr/lib64/freeradius/rlm_unpack.so

I'm not sure whether rlm_unpack should even be built, but since rlm_sqlite (which is not stable) is also built and included in the RPM, I added rlm_unpack.so to %files as well.

rlm_unbound was not built, so remove it's orphan config.