pass in the request when no matching is found to the warn logger

src/WireMock.Net/Owin/WireMockMiddleware.cs

@@ -126,7 +126,7 @@ private async Task InvokeInternalAsync(IContext ctx)
                 if (targetMapping == null)
                 {
                     logRequest = true;
-                    _options.Logger.Warn("HttpStatusCode set to 404 : No matching mapping found");
+                    _options.Logger.Warn("HttpStatusCode set to 404 : No matching mapping found", ctx.Request);
                     response = ResponseMessageBuilder.Create(HttpStatusCode.NotFound, WireMockConstants.NoMatchingFound);
                     return;
                 }
@@ -357,4 +357,4 @@ private void TryRemoveLogEntry(LogEntry logEntry)
             }
         }
     }
-}
+}