call lzo_init() only if required

src/edge_utils.c

@@ -233,6 +233,7 @@ n2n_edge_t* edge_init(const tuntap_dev *dev, const n2n_edge_conf_t *conf, int *r
   eee->pending_peers  = NULL;
   eee->sup_attempts = N2N_EDGE_SUP_ATTEMPTS;
 
+  if(eee->conf.compression == N2N_COMPRESSION_ID_LZO)
     if(lzo_init() != LZO_E_OK) {
       traceEvent(TRACE_ERROR, "LZO compression error");
       goto edge_init_error;