Improved imagick error

main.go

@@ -80,8 +80,8 @@ func processImage(config *Config, client *redis.Client, value string) {
 		})
 	}
 
-	wand.Clear()
-	wandLinear.Clear()
+	wand.Destroy()
+	wandLinear.Destroy()
 }
 
 func main() {

util.go

@@ -91,7 +91,7 @@ func resize(wand *imagick.MagickWand, wandLinear *imagick.MagickWand, size Size,
 
 	err = mw.WriteImage(target)
 
-	mw.Clear()
+	mw.Destroy()
 
 	return err
 }