Doc & Symantec C++ fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1325 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/checkbox.cpp

@@ -22,6 +22,7 @@
 
 #ifndef WX_PRECOMP
 #include "wx/checkbox.h"
+#include "wx/brush.h"
 #endif
 
 #include "wx/msw/private.h"
@@ -169,6 +170,10 @@ void wxCheckBox::SetValue(bool val)
   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 }
 
+#ifndef BST_CHECKED
+#define BST_CHECKED 0x0001
+#endif
+
 bool wxCheckBox::GetValue(void) const
 {
 #ifdef __WIN32__