gh-101819: Clean up _io windows console io after gh-104197 (#104354)

Author: erlend-aasland

Modules/_io/_iomodule.c

@@ -772,7 +772,7 @@ PyInit__io(void)
 
     // PyRawIOBase_Type(PyIOBase_Type) subclasses
     ADD_TYPE(m, state->PyFileIO_Type, &fileio_spec, state->PyRawIOBase_Type);
-#ifdef MS_WINDOWS
+#ifdef HAVE_WINDOWS_CONSOLE_IO
     ADD_TYPE(m, state->PyWindowsConsoleIO_Type, &winconsoleio_spec,
              state->PyRawIOBase_Type);
 #endif

Modules/_io/_iomodule.h

@@ -162,7 +162,7 @@ struct _io_state {
     PyTypeObject *PyStringIO_Type;
     PyTypeObject *PyTextIOBase_Type;
     PyTypeObject *PyTextIOWrapper_Type;
-#ifdef MS_WINDOWS
+#ifdef HAVE_WINDOWS_CONSOLE_IO
     PyTypeObject *PyWindowsConsoleIO_Type;
 #endif
 };

Modules/_io/winconsoleio.c

@@ -263,7 +263,7 @@ _io__WindowsConsoleIO___init___impl(winconsoleio *self, PyObject *nameobj,
     int fd_is_own = 0;
     HANDLE handle = NULL;
 
-#ifdef Py_DEBUG
+#ifdef NDEBUG
     _PyIO_State *state = find_io_state_by_def(Py_TYPE(self));
     assert(PyObject_TypeCheck(self, state->PyWindowsConsoleIO_Type));
 #endif