veyron/veyron/lib/websocket: add missing f to Infof

Change-Id: I3b3dac5a02253d273f17ff35d696e708a800108c
diff --git a/lib/websocket/listener.go b/lib/websocket/listener.go
index 80cc980..3c4922e 100644
--- a/lib/websocket/listener.go
+++ b/lib/websocket/listener.go
@@ -152,7 +152,7 @@
 			continue
 		}
 
-		vlog.VI(1).Info("Got a connection from %s (local address: %s)", conn.RemoteAddr(), conn.LocalAddr())
+		vlog.VI(1).Infof("Got a connection from %s (local address: %s)", conn.RemoteAddr(), conn.LocalAddr())
 		// Check to see if it is a regular connection or a http connection.
 		if magic[0] == BinaryMagicByte {
 			if _, err := bc.r.ReadByte(); err != nil {