From b8fa0e106fe976912044d703c8e90d22e4d4c3d0 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <bonzini@gnu.org>
Date: Sun, 24 Oct 2010 12:53:35 +0200
Subject: grep: add include guards

* src/system.h: Add multiple inclusion guards.
* src/grep.h: Likewise.
---
 src/system.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/system.h')

diff --git a/src/system.h b/src/system.h
index a0d3c4ae..74298837 100644
--- a/src/system.h
+++ b/src/system.h
@@ -16,6 +16,9 @@
    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
    02110-1301, USA.  */
 
+#ifndef GREP_SYSTEM_H
+#define GREP_SYSTEM_H 1
+
 #include <fcntl.h>
 #include <unistd.h>
 #include <errno.h>
@@ -54,3 +57,4 @@ enum { EXIT_TROUBLE = 2 };
 #endif
 
 #include "unlocked-io.h"
+#endif
-- 
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