Minor code cleanup to use fHaveUPnP instead of #ifdef

src/net.cpp

@@ -1716,10 +1716,8 @@ bool StopNode()
     fShutdown = true;
     nTransactionsUpdated++;
     int64 nStart = GetTime();
-    while (vnThreadsRunning[0] > 0 || vnThreadsRunning[2] > 0 || vnThreadsRunning[3] > 0 || vnThreadsRunning[4] > 0 || vnThreadsRunning[6] > 0 || vnThreadsRunning[7] > 0
-#ifdef USE_UPNP
-        || vnThreadsRunning[5] > 0
-#endif
+    while (vnThreadsRunning[0] > 0 || vnThreadsRunning[2] > 0 || vnThreadsRunning[3] > 0 || vnThreadsRunning[4] > 0
+        || (fHaveUPnP && vnThreadsRunning[5] > 0) || vnThreadsRunning[6] > 0 || vnThreadsRunning[7] > 0
     )
     {
         if (GetTime() - nStart > 20)