bfdd: fix RPM packaging and update feature date

After recent rebase with `master` RPM package broke due to bad
chronological log order. This commit fixes it and updates the `bfdd`
release date.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>

redhat/frr.spec.in

@@ -653,7 +653,7 @@ rm -rf %{buildroot}
 %endif
 
 %changelog
-* Sun Mar  4 2018 Rafael Zalamena <rzalamena@opensourcerouting.org> - %{version}
+* Sun May 28 2018 Rafael Zalamena <rzalamena@opensourcerouting.org> - %{version}
 - Add BFDd support
 
 * Sun May 20 2018 Martin Winter <mwinter@opensourcerouting.org>