fix? #371 coming out of afk doesn't enable voteskip button if it's on the same media

lib/channel/voteskip.js

@@ -14,6 +14,15 @@ VoteskipModule.prototype.onUserPostJoin = function (user) {
     user.socket.on("voteskip", this.handleVoteskip.bind(this, user));
 };
 
+VoteskipModule.prototype.onUserPart = function(user) {
+    if (!this.poll) {
+        return;
+    }
+
+    this.unvote(user.ip);
+    this.update();
+};
+
 VoteskipModule.prototype.handleVoteskip = function (user) {
     if (!this.channel.modules.options.get("allow_voteskip")) {
         return;
@@ -44,6 +53,14 @@ VoteskipModule.prototype.handleVoteskip = function (user) {
     this.update();
 };
 
+VoteskipModule.prototype.unvote = function(ip) {
+    if (!this.poll) {
+        return;
+    }
+
+    this.poll.unvote(ip);
+};
+
 VoteskipModule.prototype.update = function () {
     if (!this.channel.modules.options.get("allow_voteskip")) {
         return;

lib/user.js

@@ -175,8 +175,8 @@ User.prototype.setAFK = function (afk) {
 
     if (afk) {
         this.setFlag(Flags.U_AFK);
-        if (this.channel.voteskip) {
+        if (this.channel.modules.voteskip) {
-            this.channel.voteskip.unvote(this.ip);
+            this.channel.modules.voteskip.unvote(this.ip);
         }
     } else {
         this.clearFlag(Flags.U_AFK);