fix: add buffer to ip (#115)

hugomrdias · web-flow · commit deb7c9f45def · 2020-03-18T16:17:07.000+01:00
missed this one on the previous PR
diff --git a/src/ip.js b/src/ip.js
@@ -1,5 +1,6 @@
 'use strict'
 
+const { Buffer } = require('buffer')
 const isIp = require('is-ip')
 
 const isIP = isIp
