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-rw-r--r--include/sys/file.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/sys/file.h b/include/sys/file.h
index ec7f3de73d..c3f0af3710 100644
--- a/include/sys/file.h
+++ b/include/sys/file.h
@@ -1,4 +1,6 @@
+#ifndef _SYS_FILE_H
 #include <misc/sys/file.h>
 
 /* Now define the internal interfaces.  */
 extern int __flock __P ((int __fd, int __operation));
+#endif