Core/PacketIO: Add some (possible) missing FlushBits

src/server/game/Server/WorldSession.cpp

@@ -672,6 +672,7 @@ void WorldSession::SendAuthWaitQue(uint32 position)
         WorldPacket packet(SMSG_AUTH_RESPONSE, 1);
         packet.WriteBit(0); // has queue info
         packet.WriteBit(0); // has account info
+        packet.FlushBits();
         packet << uint8(AUTH_OK);
         SendPacket(&packet);
     }
@@ -681,6 +682,7 @@ void WorldSession::SendAuthWaitQue(uint32 position)
         packet.WriteBit(1); // has queue info
         packet.WriteBit(0); // unk queue bool
         packet.WriteBit(0); // has account info
+        packet.FlushBits();
         packet << uint8(AUTH_WAIT_QUEUE);
         packet << uint32(position);
         SendPacket(&packet);