make wxSetEnv compatible with ANSI and Unicode, deprecate passing NULL to it in favou...

[wxWidgets.git] / include / wx / generic / propdlg.h

diff --git a/include/wx/generic/propdlg.h b/include/wx/generic/propdlg.h
index 282a25072bfa2b7c218eb05c8667557cd793f068..a7fbf3d9e95565761be2488d532d3edd91388502 100644 (file)
--- a/include/wx/generic/propdlg.h
+++ b/include/wx/generic/propdlg.h
@@ -16,7 +16,9 @@
 
 #if wxUSE_BOOKCTRL
 
-#include "wx/bookctrl.h"
+#include "wx/dialog.h"
+
+class WXDLLIMPEXP_CORE wxBookCtrlBase;
 
 //-----------------------------------------------------------------------------
 // wxPropertySheetDialog