Fix Mac build.

Change-Id: Iae697ae257cf4b1d675e2b758dd31d5a6a71ae4d
diff --git a/include/utils/Endian.h b/include/utils/Endian.h
index a383093..591cae0 100644
--- a/include/utils/Endian.h
+++ b/include/utils/Endian.h
@@ -20,7 +20,7 @@
 #ifndef _LIBS_UTILS_ENDIAN_H
 #define _LIBS_UTILS_ENDIAN_H
 
-#if defined(_WIN32)
+#if defined(__APPLE__) || defined(_WIN32)
 
 #define __BIG_ENDIAN 0x1000
 #define __LITTLE_ENDIAN 0x0001