Fix --restore-date usage

The wallet was ignoring --restore-height and --restore-date params and
prompting for them again.

src/simplewallet/simplewallet.cpp

@@ -3970,7 +3970,7 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
 
     if (m_restoring && m_generate_from_json.empty() && m_generate_from_device.empty())
     {
-      m_wallet->explicit_refresh_from_block_height(!(command_line::is_arg_defaulted(vm, arg_restore_height) ||
+      m_wallet->explicit_refresh_from_block_height(!(command_line::is_arg_defaulted(vm, arg_restore_height) &&
         command_line::is_arg_defaulted(vm, arg_restore_date)));
       if (command_line::is_arg_defaulted(vm, arg_restore_height) && !command_line::is_arg_defaulted(vm, arg_restore_date))
       {