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-rw-r--r--util-linux/freeramdisk.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/util-linux/freeramdisk.c b/util-linux/freeramdisk.c
index af00c6678..38267e61e 100644
--- a/util-linux/freeramdisk.c
+++ b/util-linux/freeramdisk.c
@@ -27,6 +27,7 @@
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdlib.h>
+#include <unistd.h>
#include "busybox.h"