Fix WebTiles compilation on OS X

diff --git a/crawl-ref/source/tileweb.cc b/crawl-ref/source/tileweb.cc
index cc4cbed..f480129 100644 (file)
--- a/crawl-ref/source/tileweb.cc
+++ b/crawl-ref/source/tileweb.cc
@@ -10,6 +10,7 @@
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/un.h>
+#include <unistd.h>
 
 #include "artefact.h"
 #include "branch.h"