Fix issue with upgrade of encrypted legacy wallets to Sigma (#788)
Fix issue with upgrade of encrypted legacy wallets to Sigma (#788)

* Fix issue with upgrade of legacy wallets to Sigma

* Disable shared build of zmq

zcoinofficial/zcoin,zcoinofficial/zcoin,zcoinofficial/zcoin,zcoinofficial/zcoin,zcoinofficial/zcoin,zcoinofficial/zcoin,zcoinofficial/zcoin,zcoinofficial/zcoin,zcoinofficial/zcoin,zcoinofficial/zcoin