applied parentheses to quiet some -w warnings.
applied parentheses to quiet some -w warnings.


cloudvolumes/ruby-net-ldap,cloudvolumes/ruby-net-ldap,bkeepers/ruby-net-ldap,javanthropus/ruby-net-ldap,bkeepers/ruby-net-ldap,javanthropus/ruby-net-ldap,astockwell/ruby-net-ldap,astockwell/ruby-net-ldap