X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f5766910b6731eb03e82371416e9778203396ce7..2aebd278e374af02a3761201e2187a91d3f92832:/include/wx/private/overlay.h

diff --git a/include/wx/private/overlay.h b/include/wx/private/overlay.h
index 9c70479f7d..06c5c641bc 100644
--- a/include/wx/private/overlay.h
+++ b/include/wx/private/overlay.h
@@ -14,7 +14,7 @@
 
 #include "wx/overlay.h"
 
-#if wxHAS_NATIVE_OVERLAY
+#ifdef wxHAS_NATIVE_OVERLAY
 
 #if defined(__WXMAC__)
     #include "wx/mac/carbon/private/overlay.h"
@@ -28,6 +28,8 @@
 
 #include "wx/bitmap.h"
 
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+
 // generic implementation of wxOverlay
 class wxOverlayImpl
 {