[wing] Small style fix

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 180d7252580867c3ee7173c843e4cca49827b450
Author: Ignacio Casal Quinteiro <qignacio amazon com>
Date:   Wed Mar 29 10:32:52 2017 +0200

    Small style fix

 wing/wingversionmacros.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/wing/wingversionmacros.h b/wing/wingversionmacros.h
index fac1793..b03f04a 100644
--- a/wing/wingversionmacros.h
+++ b/wing/wingversionmacros.h
@@ -17,8 +17,8 @@
  * Authors: Ignacio Casal Quinteiro <ignacio casal nice-software com>
  */
 
-#ifndef __WING_VERSION_MACROS_H__
-#define __WING_VERSION_MACROS_H__
+#ifndef WING_VERSION_MACROS_H
+#define WING_VERSION_MACROS_H
 
 #ifndef _WING_EXTERN
 #define _WING_EXTERN extern
@@ -26,4 +26,4 @@
 
 #define WING_AVAILABLE_IN_ALL                   _WING_EXTERN
 
-#endif /* __WING_VERSION_MACROS_H__ */
+#endif /* WING_VERSION_MACROS_H */