message: Add -DWIN32_LEAN_AND_MEAN option into BUILD.
diff: @@ -61,6 +61,9 @@ cc_library(
  "@boringssl//:ssl",
  "@protobuf_archive//:protobuf_headers",
  ],
  + copts = if_windows([
  + "-DWIN32_LEAN_AND_MEAN",
  + ]),
  alwayslink = 1,
  )
  