gtk2: fix TGtkBox declaration for windows

git-svn-id: trunk@13114 -

packages/gtk2/src/gtk+/gtk/gtkbox.inc

@@ -11,7 +11,7 @@
         container : TGtkContainer;
         children : PGList;
         spacing : gint16;
-        flag0 : word;
+        flag0 : {$ifdef win32}longint{$else}word{$endif};
      end;
 
    PGtkBoxClass = ^TGtkBoxClass;