Add ctor for wxHtmlWinTagHandler

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73840 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/html/winpars.h

@@ -51,6 +51,11 @@ public:
 class wxHtmlWinTagHandler : public wxHtmlTagHandler
 {
 public:
+    /**
+        Constructor.
+    */
+    wxHtmlWinTagHandler();
+    
     /**
         Assigns @a parser to this handler. Each @b instance of handler
         is guaranteed to be called only from the one parser.