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-rw-r--r--lib/fd-reopen.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/fd-reopen.c b/lib/fd-reopen.c
index a33d23d45..28a1b9ec4 100644
--- a/lib/fd-reopen.c
+++ b/lib/fd-reopen.c
@@ -22,6 +22,7 @@
#include <errno.h>
#include <fcntl.h>
+#include <unistd.h>
/* Open a file to a particular file descriptor. This is like standard
`open', except it always returns DESIRED_FD if successful. */