Provide HANDLE_PTR for the compilers without it such as VC6.

Also include wx/msw/wrapwin.h defininig HANDLE_PTR from wx/msw/webview_ie.h
that uses it.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69784 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/webview_ie.h

@@ -18,6 +18,7 @@
 #include "wx/webview.h"
 #include "wx/msw/ole/automtn.h"
 #include "wx/msw/ole/activex.h"
+#include "wx/msw/wrapwin.h"
 #include "wx/msw/missing.h"
 #include "wx/sharedptr.h"
 #include "wx/vector.h"

include/wx/msw/wrapwin.h

@@ -80,6 +80,7 @@
 #if (!defined(_MSC_VER) || (_MSC_VER < 1300)) && !defined(__WIN64__)
     #define UINT_PTR unsigned int
     #define INT_PTR int
+    #define HANDLE_PTR unsigned long
     #define LONG_PTR long
     #define ULONG_PTR unsigned long
     #define DWORD_PTR unsigned long