--- old/src/os/linux/launcher/java.h	2010-10-28 13:49:10.000000000 +0200
+++ new/src/os/linux/launcher/java.h	2010-10-28 13:49:09.000000000 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,6 +22,9 @@
  *
  */
 
+#ifndef OS_LINUX_LAUNCHER_JAVA_H
+#define OS_LINUX_LAUNCHER_JAVA_H
+
 /*
  * Gamma (Hotspot internal engineering test) launcher based on 1.6.0-b28 JDK,
  * search "GAMMA" for gamma specific changes.
@@ -112,3 +115,5 @@
 jclass FindBootStrapClass(JNIEnv *env, const char *classname);
 
 #endif /* _JAVA_H_ */
+
+#endif // OS_LINUX_LAUNCHER_JAVA_H