don't do anything non trivial (like creating wxFontMapper) in ctors of global objects

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23935 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/strconv.h

@@ -188,7 +188,8 @@ private:
     // do create m_convReal (unconditionally)
     wxMBConv *DoCreate() const;
 
-    void SetEncoding();
+    // set the name (may be only called when m_name == NULL), makes copy of
+    // charset string
     void SetName(const wxChar *charset);