Squelch "connection reset by peer" exceptions

OpenSim/Framework/Servers/HttpServer/PollServiceHttpRequest.cs

@@ -94,6 +94,13 @@ namespace OpenSim.Framework.Servers.HttpServer
                 response.Send();
                 buffer = null;
             }
+            catch (System.Net.Sockets.SocketException ex)
+            {
+                // This is "connection reset by peer", meaning the
+                // requesting server has given up. They need to
+                // fix their timeouts. We don't want to spam the
+                // log with this.
+            }
             catch (Exception ex)
             {
                 m_log.Warn("[POLL SERVICE WORKER THREAD]: Error ", ex);