* \brief Set the selected language for this session.
* \param lang the locale to set.
*/
-void set_selected_language(char *lang) {
+void set_selected_language(const char *lang) {
int i;
+
#ifdef HAVE_USELOCALE
for (i=0; i<NUM_LANGS; ++i) {
if (!strcasecmp(lang, AvailLang[i])) {