Backport #6077: Include unistd.h for chroot(2) et al.

(cherry picked from commit 17d38f8d2c8ee7cd5964387812a20809c2ba3c37)

diff --git a/pdns/nproxy.cc b/pdns/nproxy.cc
index f6549691141c87a904491682906b425ee3dba1fe..d6999e4bc012bf5704d9212a9be9336190041ced 100644 (file)
--- a/pdns/nproxy.cc
+++ b/pdns/nproxy.cc
@@ -38,6 +38,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <grp.h>
+#include <unistd.h>
 #include "dnsrecords.hh"
 #include "mplexer.hh"
 #include "statbag.hh"