Fix this NameError on ruby 1.8.7:
Fix this NameError on ruby 1.8.7:

NameError? undefined local variable or method `encryption_salt' for #<CASServer::Authenticators::SQLRestAuth::CASUser>

Windermere/rubycas-server,acsellers/cas,infoman/rubycas-server,intinno/ruby-cas-server,geo767/rubycas-server,chowells79/rubycas-server,DiegoSalazar/ROR-RubyCAS-Server,geo767/rubycas-server,chowells79/rubycas-server,identification-io/rubycas-server,identification-io/rubycas-server,jay3126/ruby_cas_server,infoman/rubycas-server,acsellers/cas,Windermere/rubycas-server,jay3126/ruby_cas_server,rubycas/rubycas-server,adamdruppe/rubycas-server,Windermere/rubycas-server,infoman/rubycas-server,rubycas/rubycas-server,identification-io/rubycas-server,intinno/ruby-cas-server,DiegoSalazar/ROR-RubyCAS-Server,geo767/rubycas-server,chowells79/rubycas-server,adamdruppe/rubycas-server,adamdruppe/rubycas-server,rubycas/rubycas-server