compilation fix for !WX_PRECOMP

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16710 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/button.cpp b/src/msw/button.cpp
index 35effc181d58fd8161027a0b689eaae6d733cb68..6f5cb6782d5ad6f2c9c06a14e12fd064b1f8fa0b 100644 (file)
--- a/src/msw/button.cpp
+++ b/src/msw/button.cpp
@@ -31,6 +31,7 @@
 #if wxUSE_BUTTON
 
 #ifndef WX_PRECOMP
+    #include "wx/app.h"
     #include "wx/button.h"
     #include "wx/brush.h"
     #include "wx/panel.h"