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-rw-r--r--source4/heimdal/lib/roken/rkpty.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/source4/heimdal/lib/roken/rkpty.c b/source4/heimdal/lib/roken/rkpty.c
index 6043e2b815..0faf668615 100644
--- a/source4/heimdal/lib/roken/rkpty.c
+++ b/source4/heimdal/lib/roken/rkpty.c
@@ -41,7 +41,9 @@
#endif
#include <stdio.h>
#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#ifdef HAVE_PTY_H
#include <pty.h>
#endif