Fix for crash when receiving a filtered block P2P request
Fix for crash when receiving a filtered block P2P request

FrictionlessCoin/iXcoin,coinkeeper/2015-06-22_18-41_ixcoin,coinkeeper/2015-06-22_18-41_ixcoin,FrictionlessCoin/iXcoin,FrictionlessCoin/iXcoin,coinkeeper/2015-06-22_18-41_ixcoin,coinkeeper/2015-06-22_18-41_ixcoin,FrictionlessCoin/iXcoin,FrictionlessCoin/iXcoin,coinkeeper/2015-06-22_18-41_ixcoin