Fix code warning.

Change-Id: Ib11fb49f528d3688351ae349d5b4e307c28b3967
diff --git a/mbtk/test/others/mbtk_debug_test.c b/mbtk/test/others/mbtk_debug_test.c
index 3057abf..39c8105 100755
--- a/mbtk/test/others/mbtk_debug_test.c
+++ b/mbtk/test/others/mbtk_debug_test.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <pthread.h>
 
 #include "mbtk_log.h"
 #include "mbtk_utils.h"
@@ -7,7 +8,7 @@
 void test3()
 {
     printf("%s start\n", __FUNCTION__);
-    char *ptr = 10;
+    char *ptr = (char*)10;
     *ptr = 'a';
     printf("%s end\n", __FUNCTION__);
 }