fixing 10.5 only compiles

[wxWidgets.git] / include / wx / generic / busyinfo.h

diff --git a/include/wx/generic/busyinfo.h b/include/wx/generic/busyinfo.h
index c9a5a2c8ccb131eebda1c6f874a94f6e2ffb4a2b..feaa431831b25d6db3341b696522da064317db28 100644 (file)
--- a/include/wx/generic/busyinfo.h
+++ b/include/wx/generic/busyinfo.h
@@ -15,6 +15,7 @@
 #if wxUSE_BUSYINFO
 
 class WXDLLIMPEXP_FWD_CORE wxFrame;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
 
 //--------------------------------------------------------------------------------
 // wxBusyInfo