rpm: Turn on debugging

Now that we build with a blank CFLAGS line, we need to make sure and
actually turn on debugging in the build system, so that our debuginfo
files are vaguely useful

Change-Id: Ic2ebd0ebe866d511c4b0aef15845a85d95bacb5b
Reviewed-on: http://gerrit.openafs.org/5662
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>

src/packaging/RedHat/openafs.spec.in

@@ -839,6 +839,7 @@ export KRB5_CONFIG
        --bindir=%{_bindir} \
        --sbindir=%{_sbindir} \
        --disable-strip-binaries \
+       --enable-debug \
        --with-linux-kernel-packaging \
 %if %{build_modules}
        --with-linux-kernel-headers=${ksrc} \