fixed two ineffassign warnings

main.go

@@ -267,7 +267,7 @@ func (server Server) streamRecordings(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	momentsJSON, _ := json.Marshal(moments)
-	err = momentsTemplate.Execute(w, struct {
+	momentsTemplate.Execute(w, struct {
 		Streams     map[string]*Stream
 		MomentsJSON string
 		Moments     [][]string

stream.go

@@ -64,6 +64,10 @@ func (s *Stream) Update() {
 	}
 	s.Timeouts = 0
 	img, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		log.Println(err)
+		return
+	}
 	defer resp.Body.Close()
 
 	// Get the image from the response and write it to disk in a goroutine