add missing header for mingw32 PCH-less build

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58148 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/ole/activex.cpp b/src/msw/ole/activex.cpp
index c8383a509cdcf319aeb1e661e4ca04a9d0c34e29..c5ea0cb8e95fc589b98343ea775acb1038c08253 100644 (file)
--- a/src/msw/ole/activex.cpp
+++ b/src/msw/ole/activex.cpp
@@ -33,6 +33,8 @@
 #include "wx/msw/dc.h"
 
 #include "wx/msw/ole/activex.h"
+#include "wx/msw/private.h" // for wxCopyRectToRECT
+
 // autointerfaces that we only use here
 WX_DECLARE_AUTOOLE(wxAutoIOleInPlaceSite, IOleInPlaceSite)
 WX_DECLARE_AUTOOLE(wxAutoIOleDocument, IOleDocument)