vcl: readd <vector> and <set> into vcl/inc/window.h

Change-Id: I705a170acc045d8423ea42aebf7c5ca13a3ede72
diff --git a/vcl/inc/window.h b/vcl/inc/window.h
index b94ca6e..a88a6ad 100644
--- a/vcl/inc/window.h
+++ b/vcl/inc/window.h
@@ -25,6 +25,9 @@
#include <vcl/idle.hxx>
#include <vcl/rendersettings.hxx>

#include <vector>
#include <set>

struct ImplDelData;

namespace vcl {