Merge pull request #2658 from ethereum/hotfix-badassert

Hot fix/workaround for assert failure.

libethereum/EthereumPeer.cpp

@@ -152,8 +152,10 @@ void EthereumPeer::requestHashes(u256 _number, unsigned _count)
 void EthereumPeer::requestHashes(h256 const& _lastHash)
 {
 	if (m_asking != Asking::Nothing)
+	{
 		clog(NetWarn) << "Asking hashes while requesting " << (m_asking == Asking::Nothing ? "nothing" : m_asking == Asking::State ? "state" : m_asking == Asking::Hashes ? "hashes" : m_asking == Asking::Blocks ? "blocks" : "?");
-	assert(m_asking == Asking::Nothing);
+		// TODO: fix.
+	}
 	setAsking(Asking::Hashes);
 	RLPStream s;
 	prep(s, GetBlockHashesPacket, 2) << _lastHash << c_maxHashesAsk;