修改cache-client依赖hiredis（修改版）的CMakeList.txt，编译通过。

cache/src/tango_cache_redis.cpp

@@ -11,11 +11,11 @@
 #include <hiredis/hiredis.h>
 #include <hiredis/async.h>
 #include <hiredis/adapters/libevent.h>
+#include <cjson/cJSON.h>
 
 #include "tango_cache_transfer.h"
 #include "tango_cache_tools.h"
 #include "tango_cache_redis.h"
-#include "cJSON.h"
 
 #define PARSE_JSON_RET_ERROR -1
 #define PARSE_JSON_RET_TIMEOUT  0