we need unistd.h here

diff --git a/pdns/randomhelper.cc b/pdns/randomhelper.cc
index 9ea1b22c1f38696bb15e4c2d8a0c3ecb8e35ee2b..8d8b2db57b8d1ea8d980cd38e4d8567861f687cc 100644 (file)
--- a/pdns/randomhelper.cc
+++ b/pdns/randomhelper.cc
@@ -6,6 +6,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <unistd.h>
 #include "dns_random.hh"                     
 
 void seedRandom(const string& source)