scripted-diff: Replace boost::bind with std::bind

-BEGIN VERIFY SCRIPT-
for j in $(seq 1 5)
do
    sed -i "s/ _${j}/ std::placeholders::_${j}/g" $(git grep --name-only " _${j}" -- '*.cpp' '*.h')
done
sed -i "s/boost::bind/std::bind/g" $(git grep --name-only boost::bind -- '*.cpp' '*.h')
sed -i "s/boost::ref/std::ref/g" $(git grep --name-only boost::ref -- '*.cpp' '*.h')
sed -i '/boost\/bind/d' $(git grep --name-only boost/bind)
-END VERIFY SCRIPT-

1 files changed, 2 insertions, 3 deletions

diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 51aff08c42..8486d98a10 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -58,7 +58,6 @@
 #include <QUrlQuery>
 #include <QVBoxLayout>
 
-#include <boost/bind.hpp>
 
 const std::string BitcoinGUI::DEFAULT_UIPLATFORM =
 #if defined(Q_OS_MAC)
@@ -1241,8 +1240,8 @@ static bool ThreadSafeMessageBox(BitcoinGUI* gui, const std::string& message, co
 void BitcoinGUI::subscribeToCoreSignals()
 {
     // Connect signals to client
-    m_handler_message_box = m_node.handleMessageBox(boost::bind(ThreadSafeMessageBox, this, _1, _2, _3));
-    m_handler_question = m_node.handleQuestion(boost::bind(ThreadSafeMessageBox, this, _1, _3, _4));
+    m_handler_message_box = m_node.handleMessageBox(std::bind(ThreadSafeMessageBox, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
+    m_handler_question = m_node.handleQuestion(std::bind(ThreadSafeMessageBox, this, std::placeholders::_1, std::placeholders::_3, std::placeholders::_4));
 }
 
 void BitcoinGUI::unsubscribeFromCoreSignals()