more fixing

index.js

-const udp = require('dgram')
-
 function Log (options) {
   this.levels = {
     'DEBUG': 5,
@@ -27,7 +25,8 @@ function Log (options) {
     this.hostname = os.hostname()
   }
   if (this.options.graylog && this.options.graylog.active) {
-    this.udpclient = udp.createSocket('udp4')
+    this.udp = require('dgram')
+    this.udpclient = this.udp.createSocket('udp4')
   }
   if (this.options.file) {
     this.fs = require('fs')
@@ -122,7 +121,7 @@ function Log (options) {
     }
     if (this.options.graylog && this.options.graylog.active) {
       let buffed = Buffer.from(JSON.stringify({
-        short_message: message,
+        short_message: msg,
         timestamp: Date.now() / 1000,
         hostname: this.hostname,
         facility: this.name,