pty: Activate the signature wrapper of forkpty.

[gnulib.git] / tests / test-fdopen.c

diff --git a/tests/test-fdopen.c b/tests/test-fdopen.c
index 5603616..671c5e3 100644 (file)
--- a/tests/test-fdopen.c
+++ b/tests/test-fdopen.c
@@ -22,6 +22,7 @@
 SIGNATURE_CHECK (fdopen, FILE *, (int, const char *));
 
 #include <errno.h>
+#include <unistd.h>
 
 #include "macros.h"