Need include so user code can access book control

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40547 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/generic/propdlg.h b/include/wx/generic/propdlg.h
index f2fcbaf9c96df5ca3408a4e6bd1a3c313bf2d041..282a25072bfa2b7c218eb05c8667557cd793f068 100644 (file)
--- a/include/wx/generic/propdlg.h
+++ b/include/wx/generic/propdlg.h
@@ -16,7 +16,7 @@
 
 #if wxUSE_BOOKCTRL
 
-class WXDLLEXPORT wxBookCtrlBase;
+#include "wx/bookctrl.h"
 
 //-----------------------------------------------------------------------------
 // wxPropertySheetDialog