code cleanup

- use #pragma once instead of define
- Correct header typo in company name

Issue: #80939
Change-Id: I241bce32311936bb900937e9a16935d8f4ebdaca
diff --git a/mainbar.cpp b/mainbar.cpp
index 70d5d1e..4a0b231 100644
--- a/mainbar.cpp
+++ b/mainbar.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- * Copyright (C) 2015 by Savoir-Faire Linux                                *
+ * Copyright (C) 2015 by Savoir-faire Linux                                *
  * Author: Edric Ladent Milaret <edric.ladent-milaret@savoirfairelinux.com>*
  *                                                                         *
  * This program is free software; you can redistribute it and/or modify    *