X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2a32f1733dd39882d58627d5cb22dbdeb54eb693..81853b98619293be66074d74d2557973c0f3ab21:/include/wx/mac/corefoundation/cfstring.h

diff --git a/include/wx/mac/corefoundation/cfstring.h b/include/wx/mac/corefoundation/cfstring.h
index 428e5c8c14..526f5791a5 100644
--- a/include/wx/mac/corefoundation/cfstring.h
+++ b/include/wx/mac/corefoundation/cfstring.h
@@ -9,6 +9,9 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+#ifndef __WX_CFSTRINGHOLDER_H__
+#define __WX_CFSTRINGHOLDER_H__
+
 #ifdef __DARWIN__
     #include <CoreFoundation/CFString.h>
 #else
@@ -70,7 +73,7 @@ public:
 
     void Assign( const wxString &str , wxFontEncoding encoding ) ;
 
-    operator CFStringRef () { return m_cfs; }
+    operator CFStringRef () const { return m_cfs; }
     wxString AsString( wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) ;
 
 private:
@@ -81,3 +84,4 @@ private:
     DECLARE_NO_COPY_CLASS( wxMacCFStringHolder )
 } ;
 
+#endif //__WXCFSTRINGHOLDER_H__