add missing netdevice pointer

src/minidexed.cpp

@@ -2355,6 +2355,7 @@ bool CMiniDexed::InitNetwork()
 					LOGERR("Failed to initialize WPASupplicant, maybe wlan config is missing?"); 
 				}
 			}
+			m_pNetDevice = CNetDevice::GetNetDevice(NetDeviceType);
 		}
 		return m_pNet != nullptr;
 	}