X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8bc3ec1ff5384eab3f8fb5b3a0ca7f7887889813..6f8c67e71020cb3b7779b1267dda8702423e7c42:/include/wx/treebase.h

diff --git a/include/wx/treebase.h b/include/wx/treebase.h
index 51c4249027..c7c9aef476 100644
--- a/include/wx/treebase.h
+++ b/include/wx/treebase.h
@@ -20,6 +20,8 @@
 // headers
 // ----------------------------------------------------------------------------
 
+#include "wx/defs.h"
+
 #if wxUSE_TREECTRL
 
 #include "wx/window.h"  // for wxClientData