Add -avoidpartialspends and m_avoid_partial_spends

src/wallet/coincontrol.cpp

@@ -0,0 +1,23 @@
+// Copyright (c) 2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <wallet/coincontrol.h>
+
+#include <util.h>
+
+void CCoinControl::SetNull()
+{
+    destChange = CNoDestination();
+    m_change_type.reset();
+    fAllowOtherInputs = false;
+    fAllowWatchOnly = false;
+    m_avoid_partial_spends = gArgs.GetBoolArg("-avoidpartialspends", DEFAULT_AVOIDPARTIALSPENDS);
+    setSelected.clear();
+    m_feerate.reset();
+    fOverrideFeeRate = false;
+    m_confirm_target.reset();
+    m_signal_bip125_rbf.reset();
+    m_fee_mode = FeeEstimateMode::UNSET;
+}
+