Update messageDelete event

src/client/events/messageDelete.js

@@ -4,6 +4,7 @@ module.exports = {
         if(!msg.author.bot || !msg.guild) return;
         const radio = client.radio.get(msg.guild.id);
         if(!radio) return;
+        if(!radio.message) return;
         if(msg.id != radio.message.id) return;
         radio.message = null;
     }