Fix go vet warnings.

go/weed/weed_server/filer_server.go

@@ -45,7 +45,7 @@ func NewFilerServer(r *http.ServeMux, port int, master string, dir string, colle
 		fs.filer = flat_namespace.NewFlatNamesapceFiler(master, redis_store)
 	} else {
 		if fs.filer, err = embedded_filer.NewFilerEmbedded(master, dir); err != nil {
-			glog.Fatalf("Can not start filer in dir %s : %v", err)
+			glog.Fatalf("Can not start filer in dir %s : %v", dir, err)
 			return
 		}
 

go/weed/weed_server/master_server_handlers_admin.go

@@ -121,7 +121,7 @@ func (ms *MasterServer) redirectHandler(w http.ResponseWriter, r *http.Request)
 	if machines != nil && len(machines) > 0 {
 		http.Redirect(w, r, "http://"+machines[0].PublicUrl+r.URL.Path, http.StatusMovedPermanently)
 	} else {
-		writeJsonError(w, r, http.StatusNotFound, fmt.Errorf("volume id %s not found.", volumeId))
+		writeJsonError(w, r, http.StatusNotFound, fmt.Errorf("volume id %d not found.", volumeId))
 	}
 }