fix warning about possible uninitialized variable with VC9 (part of #9803)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54899 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/html/htmltag.cpp

@@ -302,7 +302,7 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
 
     /* Find parameters and their values: */
 
-    wxChar c;
+    wxChar c wxDUMMY_INITIALIZE(0);
 
     // fill-in name, params and begin pos:
     wxString::const_iterator i(pos+1);