/**
   Remove variable with specified name
*/
void env_universal_common_remove(const wcstring &name)
{
    env_var_table_t::iterator result =  env_universal_var.find(name);
    if (result != env_universal_var.end())
    {
        var_uni_entry_t* v = result->second;
        env_universal_var.erase(result);
        delete v;
    }
}
/**
   Remove variable with specified name
*/
void env_universal_common_remove(const wcstring &name)
{
    env_universal_var.erase(name);
}