Don't complain if we didn't init our PeerManager; we don't do that if

we're not running in a peered environment.  Technically it might be
better to add the PeerManager to the lifecycle in init, but I don't
want to screw with the shutdown order, and this is the lowest-impact
solution.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6021 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/peer/server/PeerManager.java

@@ -767,9 +767,8 @@ public abstract class PeerManager
     // from interface Lifecycle.ShutdownComponent
     public void shutdown ()
     {
-        if (_nodeName == null) { // sanity check
-            throw new IllegalStateException(
-                "Shutting down PeerManager that was never initialized.");
+        if (_nodeName == null) { // never initialized
+            return;
         }
 
         // clear out our invocation service