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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56644 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/os2/stdpaths.cpp

@@ -54,7 +54,7 @@ wxString wxStandardPaths::GetInstallPrefix() const
 {
     if ( m_prefix.empty() )
     {
-        wxStandardPaths *self = wx_const_cast(wxStandardPaths *, this);
+        wxStandardPaths *self = const_cast<wxStandardPaths *>(this);
 
         self->m_prefix = _T("/usr/local");
     }