Fix gitian build after libzmq bump

Pull Request #11981

State completed
Build time Total: 46 minutes
7 minutes for macOS
15 minutes for Windows
23 minutes for Linux
Platforms   
Start Date2017-12-21 23:36:56 UTC
Github#11981
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Author theuni
Pull request head hasha6365c5c
Build styleThis pull request was built on top of current master
Build Log HEAD~6a6365c5c3 depends: fix libzmq's needless linking against libstdc++
711d16ca4 Merge #11667: Add scripts to dumpwallet RPC
7a11ba7e0 Merge #11945: Improve BSD compatibility of contrib/install_db4.sh
604e08c83 Merge #11726: Cleanups + nit fixes for walletdir PR
79399c8cd Merge #10657: Utils: Improvements to ECDSA key-handling code
bc6676514 Merge #11917: Add testnet DNS seed: seed.testnet.bitcoin.sprovoost.nl