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-rw-r--r--libXt/src/Error.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libXt/src/Error.c b/libXt/src/Error.c
index fc9b11a84..1d6f158d8 100644
--- a/libXt/src/Error.c
+++ b/libXt/src/Error.c
@@ -74,6 +74,7 @@ in this Software without prior written authorization from The Open Group.
#include "IntrinsicI.h"
#include <stdio.h>
#include <stdlib.h>
+#include <unistd.h>
/* The error handlers in the application context aren't used since we can't
come up with a uniform way of using them. If you can, define