Fix code warning.

Change-Id: Ib11fb49f528d3688351ae349d5b4e307c28b3967
diff --git a/mbtk/mbtk_sdk_ready/src/main.c b/mbtk/mbtk_sdk_ready/src/main.c
index bcb696b..d571f15 100755
--- a/mbtk/mbtk_sdk_ready/src/main.c
+++ b/mbtk/mbtk_sdk_ready/src/main.c
@@ -1,15 +1,17 @@
 #if 1
 #include <stdio.h>
 //#include <stdlib.h>
-//#include <unistd.h>
+#include <unistd.h>
 #include <errno.h>
 #include <pthread.h>
 //#include <string.h>
 #include <fcntl.h>
 //#include <signal.h>
+#include <cutils/properties.h>
 
 #include "mbtk_log.h"
 #include "mbtk_info_api.h"
+#include "mbtk_utils.h"
 
 #define MBTK_RESULT_FAIL -1
 #define MBTK_RESULT_SUCCESS 0