make sure tun2socks is loaded properly

orbotservice/src/main/java/org/torproject/android/service/vpn/OrbotVpnManager.java

@@ -93,6 +93,8 @@ public class OrbotVpnManager implements Handler.Callback {
 		File fileBinHome = mService.getDir(TorServiceConstants.DIRECTORY_TOR_BINARY, Application.MODE_PRIVATE);
 		filePdnsd = new File(fileBinHome,TorServiceConstants.PDNSD_ASSET_KEY);
 
+		Tun2Socks.init();
+
 	}
    
     //public int onStartCommand(Intent intent, int flags, int startId) {

orbotservice/src/main/java/org/torproject/android/service/vpn/Tun2Socks.java

@@ -57,6 +57,8 @@ public class Tun2Socks
     // than one instance due to the use of global state (the lwip
     // module, etc.) in the native code.
 
+    public static void init () {}
+
     public static void Start(
             ParcelFileDescriptor vpnInterfaceFileDescriptor,
             int vpnInterfaceMTU,