wspr: Change runtime.AppCycle to veyron2.GetAppCycle(ctx).

Change-Id: I2f8f0610ffb33c73183de5b8f5a4ba4492cfb96a
MultiPart: 2/4
diff --git a/services/wsprd/wspr.go b/services/wsprd/wspr.go
index 340489d..b984322 100644
--- a/services/wsprd/wspr.go
+++ b/services/wsprd/wspr.go
@@ -23,6 +23,8 @@
 	}
 	defer r.Cleanup()
 
+	ctx := r.NewContext()
+
 	proxy := wspr.NewWSPR(r, *port, roaming.New, &roaming.ListenSpec, *identd, nil)
 	defer proxy.Shutdown()
 
@@ -31,5 +33,5 @@
 		proxy.Serve()
 	}()
 
-	<-signals.ShutdownOnSignals(r)
+	<-signals.ShutdownOnSignals(ctx)
 }