Piecewise construct to avoid invalid construction

In CMainSignals::RegisterWithMempoolSignals running under Ubuntu 14.04
(QT 5.2), absent piecewise construction this fails to create the pair
because the argument is a connection, which is converted into a
non-copyable scoped_connection.

    validationinterface.cpp:80:186:   required from here
    /usr/include/boost/signals2/connection.hpp:234:7: error: ‘boost::signals2::scoped_connection::scoped_connection(const boost::signals2::scoped_connection&)’ is private
           scoped_connection(const scoped_connection &other);
           ^
    In file included from /usr/include/c++/4.8/utility:70:0,
                     from /usr/include/c++/4.8/algorithm:60,
                     from ./prevector.h:13,
                     from ./script/script.h:10,
                     from ./primitives/transaction.h:11,
                     from ./validationinterface.h:9,
                     from validationinterface.cpp:6:
    /usr/include/c++/4.8/bits/stl_pair.h:134:45: error: within this context
      : first(std::forward<_U1>(__x)), second(__y) { }
https://travis-ci.org/bitcoin/bitcoin/jobs/473689141#L2172

0 files changed, 0 insertions, 0 deletions