Added missing include for non-precompiled headers.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13715 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/os2/frame.cpp b/src/os2/frame.cpp
index 978eb7c13d33dd8841363e1614b269abc936f070..d6087502a303b0021eb97e7530d04b250670adaf 100644 (file)
--- a/src/os2/frame.cpp
+++ b/src/os2/frame.cpp
@@ -30,6 +30,7 @@
     #include "wx/dialog.h"
     #include "wx/settings.h"
     #include "wx/dcclient.h"
+    #include "wx/mdi.h"
 #endif // WX_PRECOMP
 
 #include "wx/os2/private.h"