No real changes, just use const_cast<> instead of C casts.

Replace many comments indicating that the C cast used was really a
const_cast<> with the proper cast itself. There is no reason to not use it any
longer, all the supported compilers understand it.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65861 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/notebook.cpp

@@ -785,7 +785,7 @@ bool wxNotebook::InsertPage(size_t nPage,
     if ( !strText.empty() )
     {
         tcItem.mask |= TCIF_TEXT;
-        tcItem.pszText = (wxChar *)strText.wx_str(); // const_cast
+        tcItem.pszText = const_cast<wxChar *>(strText.wx_str());
     }
 
     // hide the page: unless it is selected, it shouldn't be shown (and if it