fix missing newline also for class

Author: ferdymercury

interpreter/cling/lib/MetaProcessor/Display.cpp

@@ -523,7 +523,7 @@ void ClassPrinter::DisplayAllClasses()const
   const TranslationUnitDecl* const tuDecl = compiler->getASTContext().getTranslationUnitDecl();
   assert(tuDecl != 0 && "DisplayAllClasses, translation unit is empty");
 
-  fOut.Print("List of classes");
+  fOut.Print("List of classes\n");
   // Could trigger deserialization of decls.
   Interpreter::PushTransactionRAII RAII(const_cast<Interpreter*>(fInterpreter));
   for (decl_iterator decl = tuDecl->decls_begin(); decl != tuDecl->decls_end(); ++decl)