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-rw-r--r--contrib/tcp_wrappers/update.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/contrib/tcp_wrappers/update.c b/contrib/tcp_wrappers/update.c
index b612d5e..db73753 100644
--- a/contrib/tcp_wrappers/update.c
+++ b/contrib/tcp_wrappers/update.c
@@ -24,6 +24,7 @@ static char sccsid[] = "@(#) update.c 1.1 94/12/28 17:42:56";
#include <stdio.h>
#include <syslog.h>
#include <string.h>
+#include <unistd.h>
/* Local stuff. */
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