fix syntax error in exchange rate plugin
fix syntax error in exchange rate plugin

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