From 8a0625a47777a581cb7b8e1c328cdd654e128608 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Wed, 25 Jan 2012 16:32:13 -0800
Subject: [PATCH] Bugfix.

---
 Ledger.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Ledger.cpp b/Ledger.cpp
index d09612f17..dd3883d42 100644
--- a/Ledger.cpp
+++ b/Ledger.cpp
@@ -468,7 +468,9 @@ Ledger::pointer Ledger::switchPreviousLedger(Ledger::pointer oldPrevious, Ledger
 			if(!tx || newLedger->addTransaction(tx))
 			{
 				count++;
-				TxnDiff.erase(++it);
+				std::map<uint256, std::pair<Transaction::pointer, Transaction::pointer> >::iterator it2=it;
+				++it;
+				TxnDiff.erase(it2);
 			}
 			else ++it;
 		}
@@ -492,7 +494,9 @@ Ledger::pointer Ledger::switchPreviousLedger(Ledger::pointer oldPrevious, Ledger
 			if(newLedger->addTransaction(it->second))
 			{
 				count++;
-				txnMap.erase(++it);
+				std::map<uint256, Transaction::pointer>::iterator it2=it;
+				++it;
+				txnMap.erase(it2);
 			}
 			else ++it;
 		}