Add wx headers and ext

wxheaders/wx/help.h

@@ -0,0 +1,39 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/help.h
+// Purpose:     wxHelpController base header
+// Author:      wxWidgets Team
+// Modified by:
+// Created:
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_HELP_H_BASE_
+#define _WX_HELP_H_BASE_
+
+#include "wx/defs.h"
+
+#if wxUSE_HELP
+
+#include "wx/helpbase.h"
+
+#if defined(__WXMSW__)
+    #include "wx/msw/helpchm.h"
+
+    #define wxHelpController wxCHMHelpController
+#else // !MSW
+
+#if wxUSE_WXHTML_HELP
+    #include "wx/html/helpctrl.h"
+    #define wxHelpController wxHtmlHelpController
+#else
+    #include "wx/generic/helpext.h"
+    #define wxHelpController wxExtHelpController
+#endif
+
+#endif // MSW/!MSW
+
+#endif // wxUSE_HELP
+
+#endif
+    // _WX_HELP_H_BASE_