Fixed API compiling issue on OS X
diff --git a/api.c b/api.c
index 2b7dde0..59e8207 100644
--- a/api.c
+++ b/api.c
@@ -21,7 +21,7 @@
#include "compat.h"
#include "miner.h"
-#if defined(unix)
+#if defined(unix) || defined(__APPLE__)
#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>