openldap: Enable the sssvlv module (server side sort)

This module has no external dependencies and is very small.  There should be no side effects.

Author: arr2036

Formula/o/openldap.rb

@@ -59,6 +59,7 @@ def install
       --enable-refint
       --enable-retcode
       --enable-seqmod
+      --enable-sssvlv
       --enable-translucent
       --enable-unique
       --enable-valsort