Compilation fix.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22603 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/mdi.h b/include/wx/mdi.h
index 2165d1a1fe658eb5e1c85c2b011bfad859e8464b..3223c7cb2e63c73fe3f3755833849b8fc8b5cd22 100644 (file)
--- a/include/wx/mdi.h
+++ b/include/wx/mdi.h
@@ -1,6 +1,8 @@
 #ifndef _WX_MDI_H_BASE_
 #define _WX_MDI_H_BASE_
 
+#include "wx/setup.h"
+
 #if wxUSE_MDI_ARCHITECTURE
 
 #if defined(__WXUNIVERSAL__)