Lay groundwork for client language property

Abstract the language getter to HLTVClientWrapper::GetLanguageId so we have the option of having native setters / getters in SourcePawn to assign language.

Whether we actually do something about it, I don't know.

hltvclientwrapper.cpp

@@ -27,6 +27,14 @@ const char *HLTVClientWrapper::Password()
 	return m_Password.chars();
 }
 
+unsigned int HLTVClientWrapper::GetLanguageId()
+{
+	// TODO expose natives to override spectator client language and remove native ifdefs
+	unsigned int langid = translator->GetServerLanguage();
+	translator->GetLanguageByName(m_Client->GetUserSetting("cl_language"), &langid);
+	return langid;
+}
+
 bool HLTVClientWrapper::IsConnected()
 {
 	return m_Client && m_Client->IsConnected();