better Sun CC fix: put the function in anonymous namespace instead of making it global

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46632 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/wxcrt.cpp

@@ -548,6 +548,9 @@ int wxDoSnprintfUtf8(wchar_t *str, size_t size, const char *format, ...)
 
 #if wxUSE_UNICODE
 
+namespace
+{
+
 #if !wxUSE_UTF8_LOCALE_ONLY
 int wxInternalConvertStringToBuf(const wxString& s, char *out, size_t outsize)
 {
@@ -573,6 +576,8 @@ int wxInternalConvertStringToBuf(const wxString& s, wchar_t *out, size_t outsize
 }
 #endif // wxUSE_UNICODE_UTF8
 
+} // anonymous namespace
+
 template<typename T>
 static size_t PrintfViaString(T *out, size_t outsize,
                               const wxString& format, va_list argptr)