!4948 Fix backend compilation error when -g is off

Merge pull request !4948 from JesseKLee/glog_off

mindspore/ccsrc/minddata/dataset/engine/cache/cache_common.h

@@ -59,7 +59,7 @@ constexpr static uint32_t kDataIsInSharedMemory = 2;
 /// \param rc[in] Status object
 /// \param reply[in/out] pointer to pre-allocated protobuf object
 inline void Status2CacheReply(const Status &rc, CacheReply *reply) {
-  reply->set_rc(static_cast<google::int32>(rc.get_code()));
+  reply->set_rc(static_cast<int32_t>(rc.get_code()));
   reply->set_msg(rc.ToString());
 }
 

mindspore/ccsrc/minddata/dataset/engine/cache/cache_request.h

@@ -76,7 +76,7 @@ class BaseRequest {
 
   /// \brief Base class of a cache server request
   /// \param type Type of the request
-  explicit BaseRequest(RequestType type) : type_(type) { rq_.set_type(static_cast<google::int32>(type_)); }
+  explicit BaseRequest(RequestType type) : type_(type) { rq_.set_type(static_cast<int16_t>(type_)); }
   virtual ~BaseRequest() = default;
 
   /// \brief A print method for debugging