Fix some broken traverses.

src/LedgerAcquire.cpp

@@ -254,7 +254,7 @@ void PeerSet::sendRequest(const newcoin::TMGetLedger& tmGL)
 	while (it != mPeers.end())
 	{
 		if (it->expired())
-			mPeers.erase(it++);
+			it = mPeers.erase(it);
 		else
 		{
 			// FIXME: Track last peer sent to and time sent

src/Suppression.cpp

@@ -18,7 +18,7 @@ bool SuppressionTable::addSuppression(const uint160& suppression)
 			for (std::list<uint160>::iterator lit = it->second.begin(), end = it->second.end();
 					lit != end; ++lit)
 				mSuppressionMap.erase(*lit);
-			mSuppressionTimes.erase(it++);
+			it = mSuppressionTimes.erase(it);
 		}
 		else ++it;
 	}