pupnp: Fix false positive error

Change-Id: I3c23b7ed144d5e26c030180d306cee0179c10b4d

src/upnp/protocol/pupnp/pupnp.cpp

@@ -236,10 +236,14 @@ PUPnP::terminate()
 
     UpnpUnRegisterClient(ctrlptHandle_);
 
+    if (initialized_) {
         if (UpnpFinish() != UPNP_E_SUCCESS) {
             JAMI_ERR("PUPnP: Failed to properly close lib-upnp");
         }
 
+        initialized_ = false;
+    }
+
     // Clear all the lists.
     discoveredIgdList_.clear();