Fix include guard names

Names that begin with an underscore ('_') are reserved. Follow the usual
practice of naming the include guard of file "foo.h" "FOO_H", as is already
done in "icons.h".

Signed-off-by: Tim Wiederhake <twied@gmx.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/util.h b/src/util.h
index 448ed4d..6adeed9 100644
--- a/src/util.h
+++ b/src/util.h
@@ -57,8 +57,8 @@ in this Software without prior written authorization from The Open Group.
  *
  ***********************************************************************/
 
-#ifndef _UTIL_
-#define _UTIL_
+#ifndef UTIL_H
+#define UTIL_H
 
 #include "twm.h"
 
@@ -110,4 +110,4 @@ extern int HotX, HotY;
 #define XkbBI_MajorError        2
 #endif
 
-#endif                          /* _UTIL_ */
+#endif /* UTIL_H */