thodg/cgminer

diff --git a/logging.c b/logging.c
index 01ab87c..b5c4b64 100644
--- a/logging.c
+++ b/logging.c
@@ -1,3 +1,5 @@
+#include <unistd.h>
+
 #include "logging.h"
 #include "miner.h"