added get_preferred_language() to tnc_imc

src/libcharon/plugins/tnc_imc/tnc_imc_manager.c

@@ -98,6 +98,13 @@ METHOD(imc_manager_t, get_count, int,
 	return this->imcs->get_count(this->imcs);
 }
 
+METHOD(imc_manager_t, get_preferred_language, char*,
+	private_tnc_imc_manager_t *this)
+{
+	return lib->settings->get_str(lib->settings,
+					"charon.plugins.tnc-imc.preferred_language", "en");
+}
+
 METHOD(imc_manager_t, notify_connection_change, void,
 	private_tnc_imc_manager_t *this, TNC_ConnectionID id,
 									 TNC_ConnectionState state)
@@ -222,6 +229,7 @@ imc_manager_t* tnc_imc_manager_create(void)
 			.add = _add,
 			.remove = _remove_, /* avoid name conflict with stdio.h */
 			.get_count = _get_count,
+			.get_preferred_language = _get_preferred_language,
 			.notify_connection_change = _notify_connection_change,
 			.begin_handshake = _begin_handshake,
 			.set_message_types = _set_message_types,