non-pch build fix

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50442 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/ole/activex.cpp b/src/msw/ole/activex.cpp
index 46e813c61fb96087da2ad0949965e04205614397..e8e7647a4850c8cc6ccfc25a1ff095d4455a9dac 100644 (file)
--- a/src/msw/ole/activex.cpp
+++ b/src/msw/ole/activex.cpp
@@ -30,6 +30,8 @@
     #include "wx/math.h"
 #endif
 
+#include "wx/msw/dc.h"
+
 #include "wx/msw/ole/activex.h"
 // autointerfaces that we only use here
 WX_DECLARE_AUTOOLE(wxAutoIOleInPlaceSite, IOleInPlaceSite)