V3.0.x suse specfile build fix

Fixes the following build errors:

sle11sp2:
[  201s] ... checking for files with abuild user/group
[  201s]   abuild abuild /usr/bin/dhcpclient
[  201s]   abuild abuild /usr/bin/rad_counter
[  201s]   abuild abuild /usr/bin/radattr
...
=> +%defattr(-,root,root)


sle 11sp3:
[  342s] openssl dhparam -out dh 1024
[  342s] gmake[1]: openssl: Command not found
[  342s] gmake[1]: *** [dh] Error 127
[  342s] gmake[1]: Leaving directory `/var/tmp/freeradius-server-3.0.3-build/etc/raddb/certs'
[  342s] make: *** [/var/tmp/freeradius-server-3.0.3-build/etc/raddb/certs/ca.key] Error 2
[  342s] error: Bad exit status from /var/tmp/rpm-tmp.15861 (%install)
=> +BuildRequires: openssl


opensuse 13.1:
[  489s] freeradius-server-devel-3.0.3-8.1.x86_64.rpm: directories not owned by a package:
[  489s]  - /usr/include/freeradius
=> +%dir /usr/include/freeradius


opensuse factory:
[  614s] found conflict of freeradius-server-3.0.3-9.1.x86_64 with freeradius-server-libs-3.0.3-9.1.x86_64:
[  614s]   - /usr/lib64/freeradius/rlm_always.so
[  614s]   - /usr/lib64/freeradius/rlm_attr_filter.so
...
=>
 -%attr(755,root,root) %{_libdir}/freeradius/*.so*
 +%attr(755,root,root) %{_libdir}/freeradius/lib*.so*
 +%attr(755,root,root) %{_libdir}/freeradius/proto*.so*


Build status: https://build.opensuse.org/package/show/home:freeradius:3.0.x:suse/freeradius-server
Packages: http://software.opensuse.org/download.html?project=home%3Afreeradius%3A3.0.x%3Asuse&package=freeradius-server