modify the json_object, replace c_int64/c_uint64 with struct{union{int64, uint64},...}

json_object_private.h

@@ -34,8 +34,13 @@ struct json_object
   union data {
     json_bool c_boolean;
     double c_double;
-    int64_t c_int64;
-    uint64_t c_uint64;
+    struct {
+      union {
+        int64_t c_int64;
+        uint64_t c_uint64;
+      } cint;
+      enum json_object_int_type cint_type;
+    } c_int;
     struct lh_table *c_object;
     struct array_list *c_array;
     struct {