Achievements/Guilds: Fix guild achievement tracking

- This fix a typo on commit TrinityCore@7ec22c5
- This fix update of criteria progress on login

Thanks to @DDuarte for initial commit and help with pull request
Thanks to @Kiritoo for send me sniffs

src/server/game/Handlers/GuildHandler.cpp

@@ -832,15 +832,15 @@ void WorldSession::HandleGuildSetGuildMaster(WorldPacket& recvPacket)
 void WorldSession::HandleGuildSetAchievementTracking(WorldPacket& recvPacket)
 {
     uint32 count = recvPacket.ReadBits(24);
-    std::set<uint32> criteriaIds;
+    std::set<uint32> achievementIds;
 
     for (uint32 i = 0; i < count; ++i)
     {
-        uint32 criteriaId;
-        recvPacket >> criteriaId;
-        criteriaIds.insert(criteriaId);
+        uint32 achievementId;
+        recvPacket >> achievementId;
+        achievementIds.insert(achievementId);
     }
 
     if (Guild* guild = GetPlayer()->GetGuild())
-        guild->HandleSetAchievementTracking(this, criteriaIds);
+        guild->HandleSetAchievementTracking(this, achievementIds);
 }