Point out the problem in this code and make it possible to fix it.

src/NetworkOPs.h

@@ -124,6 +124,7 @@ public:
 	// network state machine
 	void checkState(const boost::system::error_code& result);
 	void switchLastClosedLedger(Ledger::pointer newLedger); // Used for the "jump" case
+	bool checkLastClosedLedger(const std::vector<Peer::pointer> &);
 	int beginConsensus(Ledger::pointer closingLedger);
 	void endConsensus();
 	void setStateTimer(int seconds);