Summary:
Context:
As mentioned in https://github.com/facebook/rocksdb/issues/9701, we have the following in LITE=1 make static_lib for v7.0.2
```
CC file/sequence_file_reader.o
CC file/sst_file_manager_impl.o
CC file/writable_file_writer.o
In file included from file/writable_file_writer.cc:10:
./file/writable_file_writer.h:163:15: error: private field 'temperature_' is not used [-Werror,-Wunused-private-field]
Temperature temperature_;
^
1 error generated.
make: *** [file/writable_file_writer.o] Error 1
```
as titled
Pull Request resolved: https://github.com/facebook/rocksdb/pull/9854
Test Plan:
- Local `LITE=1 make static_lib` reveals the same error and error is gone after this fix
- CI
Reviewed By: ajkr, jay-zhuang
Differential Revision: D35706585
Pulled By: hx235
fbshipit-source-id: 7743310298231ad6866304ffa2225c8abdc91d9a
3d15d07740