Fix Windows build errors introduced in #10498

Fixes #12386

src/qt/bitcoin.cpp

@@ -706,7 +706,7 @@ int main(int argc, char *argv[])
         if (BitcoinCore::baseInitialize()) {
             app.requestInitialize();
 #if defined(Q_OS_WIN) && QT_VERSION >= 0x050000
-            WinShutdownMonitor::registerShutdownBlockReason(QObject::tr("%1 didn't yet exit safely...").arg(QObject::tr(PACKAGE_NAME)), static_cast<HWND>(app.getMainWinId()));
+            WinShutdownMonitor::registerShutdownBlockReason(QObject::tr("%1 didn't yet exit safely...").arg(QObject::tr(PACKAGE_NAME)), (HWND)app.getMainWinId());
 #endif
             app.exec();
             app.requestShutdown();

src/qt/winshutdownmonitor.cpp

@@ -56,7 +56,7 @@ bool WinShutdownMonitor::nativeEventFilter(const QByteArray &eventType, void *pM
 void WinShutdownMonitor::registerShutdownBlockReason(const QString& strReason, const HWND& mainWinId)
 {
     typedef BOOL (WINAPI *PSHUTDOWNBRCREATE)(HWND, LPCWSTR);
-    PSHUTDOWNBRCREATE shutdownBRCreate = static_cast<PSHUTDOWNBRCREATE>(GetProcAddress(GetModuleHandleA("User32.dll"), "ShutdownBlockReasonCreate"));
+    PSHUTDOWNBRCREATE shutdownBRCreate = (PSHUTDOWNBRCREATE)GetProcAddress(GetModuleHandleA("User32.dll"), "ShutdownBlockReasonCreate");
     if (shutdownBRCreate == nullptr) {
         qWarning() << "registerShutdownBlockReason: GetProcAddress for ShutdownBlockReasonCreate failed";
         return;