RFC-91: code review: add commented assert for out-of-bounds levelString

Modules/Wrappers/ApplicationEngine/src/otbLogger.cxx

@@ -47,8 +47,12 @@ std::string Logger::BuildFormattedEntry(itk::Logger::PriorityLevelType level, st
 {
  static const std::string levelString[] = { "(MUSTFLUSH)", "(FATAL)", "(CRITICAL)",
                                          "(WARNING)", "(INFO)", "(DEBUG)", "(NOTSET)" };
+
+  // TODO: assert(level <= std::extent<decltype(levelString)>::value);  // requires C++11
+
   std::ostringstream s;
 
+
   switch ( this->m_TimeStampFormat )
   {
     case REALVALUE: