replace wx_{const,static,reinterpret}_cast with their standard C++ equivalents

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56645 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/internat/internat.cpp

@@ -194,7 +194,7 @@ bool MyApp::OnCmdLineParsed(wxCmdLineParser& parser)
             return false;
         }
 
-        m_lang = wx_static_cast(wxLanguage, lang->Language);
+        m_lang = static_cast<wxLanguage>(lang->Language);
     }
 
     return true;