fix crash #1987
fix crash #1987

dashpay/electrum-dash,neocogent/electrum,romanz/electrum,spesmilo/electrum,cryptapus/electrum-myr,fireduck64/electrum,wakiyamap/electrum-mona,dabura667/electrum,argentumproject/electrum-arg,dashpay/electrum-dash,dabura667/electrum,fujicoin/electrum-fjc,wakiyamap/electrum-mona,dabura667/electrum,digitalbitbox/electrum,protonn/Electrum-Cash,cryptapus/electrum,aasiutin/electrum,vialectrum/vialectrum,molecular/electrum,cryptapus/electrum-myr,protonn/Electrum-Cash,romanz/electrum,pknight007/electrum-vtc,argentumproject/electrum-arg,aasiutin/electrum,digitalbitbox/electrum,argentumproject/electrum-arg,digitalbitbox/electrum,fireduck64/electrum,vertcoin/electrum-vtc,dashpay/electrum-dash,molecular/electrum,protonn/Electrum-Cash,fujicoin/electrum-fjc,vertcoin/electrum-vtc,pooler/electrum-ltc,neocogent/electrum,romanz/electrum,dashpay/electrum-dash,cryptapus/electrum,argentumproject/electrum-arg,pknight007/electrum-vtc,pknight007/electrum-vtc,dabura667/electrum,wakiyamap/electrum-mona,vialectrum/vialectrum,protonn/Electrum-Cash,aasiutin/electrum,cryptapus/electrum-myr,pknight007/electrum-vtc,molecular/electrum,molecular/electrum,pooler/electrum-ltc,wakiyamap/electrum-mona,neocogent/electrum,fyookball/electrum,cryptapus/electrum-myr,cryptapus/electrum,kyuupichan/electrum,fyookball/electrum,fujicoin/electrum-fjc,vertcoin/electrum-vtc,fyookball/electrum,vialectrum/vialectrum,vertcoin/electrum-vtc,asfin/electrum,aasiutin/electrum,kyuupichan/electrum,asfin/electrum,fireduck64/electrum,spesmilo/electrum,spesmilo/electrum,asfin/electrum,pooler/electrum-ltc,fireduck64/electrum,digitalbitbox/electrum,kyuupichan/electrum,spesmilo/electrum,pooler/electrum-ltc