getcwd: fix compile error in configure check

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

diff --git a/tests/test-ioctl.c b/tests/test-ioctl.c
index c301986..489bccc 100644 (file)
--- a/tests/test-ioctl.c
+++ b/tests/test-ioctl.c
@@ -23,6 +23,7 @@
 SIGNATURE_CHECK (ioctl, int, (int, int, ...));
 
 #include <errno.h>
+#include <unistd.h>
 
 #include "macros.h"
 
@@ -39,6 +40,7 @@ main (void)
   }
   {
     int value;
+    close (99);
     errno = 0;
     ASSERT (ioctl (99, FIONREAD, &value) == -1);
     ASSERT (errno == EBADF);