diff -up ./src/queue.h.orig ./src/queue.h
--- ./src/queue.h.orig	2016-03-14 10:10:57.000000000 +0100
+++ ./src/queue.h	2016-07-04 17:47:22.480252171 +0200
@@ -5,7 +5,7 @@
 #ifndef HTSQ_H
 #define HTSQ_H
 
-#include "../vendor/include/sys/queue.h"
+#include <sys/queue.h>
 
 /*
  * Extra LIST-ops