Fixes build breakage in commit:   3a8c09c0d577dc18ffed3433c6a3e7fb1d3fbd80
Fixes build breakage in commit:
  3a8c09c0d577dc18ffed3433c6a3e7fb1d3fbd80

bitsquare/bitsquare,bisq-network/exchange,ManfredKarrer/exchange,bisq-network/exchange,haiqu/bitsquare,haiqu/bitsquare,sakazz/exchange,bitsquare/bitsquare,sakazz/exchange,ManfredKarrer/exchange