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-rw-r--r--include/mach/version.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/mach/version.h b/include/mach/version.h
index ec12ea74..3ef78592 100644
--- a/include/mach/version.h
+++ b/include/mach/version.h
@@ -43,6 +43,9 @@
* minor 0.
*/
+#ifndef _MACH_VERSION_H_
+#define _MACH_VERSION_H_
+
#define KERNEL_MAJOR_VERSION 4
#define KERNEL_MINOR_VERSION 0
@@ -66,3 +69,5 @@
* excised from the CSD environment.
*/
#define INCLUDE_VERSION 0
+
+#endif /* _MACH_VERSION_H_ */