wallet: Fix coinselection include

coinselection.h is not used by wallet.h but by qt/coincontroldialog.cpp

Author: MarcoFalke

src/qt/coincontroldialog.cpp

@@ -16,10 +16,11 @@
 #include <qt/platformstyle.h>
 #include <qt/walletmodel.h>
 
-#include <wallet/coincontrol.h>
 #include <interfaces/node.h>
 #include <key_io.h>
 #include <policy/policy.h>
+#include <wallet/coincontrol.h>
+#include <wallet/coinselection.h>
 #include <wallet/wallet.h>
 
 #include <QApplication>

src/wallet/wallet.h

@@ -20,7 +20,6 @@
 #include <util/system.h>
 #include <util/ui_change_type.h>
 #include <validationinterface.h>
-#include <wallet/coinselection.h>
 #include <wallet/crypter.h>
 #include <wallet/scriptpubkeyman.h>
 #include <wallet/transaction.h>
@@ -112,7 +111,6 @@ constexpr CAmount HIGH_MAX_TX_FEE{100 * HIGH_TX_FEE_PER_KB};
 static constexpr size_t DUMMY_NESTED_P2WPKH_INPUT_SIZE = 91;
 
 class CCoinControl;
-class COutput;
 class CWalletTx;
 class ReserveDestination;