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-rw-r--r--usr.bin/ruptime/ruptime.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/usr.bin/ruptime/ruptime.c b/usr.bin/ruptime/ruptime.c
index b8672e4e46d0..1e3356f6f86c 100644
--- a/usr.bin/ruptime/ruptime.c
+++ b/usr.bin/ruptime/ruptime.c
@@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
#include <dirent.h>
#include <err.h>
+#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>