Index: saslauthd/auth_sasldb.c
--- saslauthd/auth_sasldb.c.orig
+++ saslauthd/auth_sasldb.c
@@ -36,6 +36,7 @@
 
 #include <string.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include <pwd.h>
 #include <config.h>
 #include <unistd.h>