message: build: fix sqlparser build on Windows
  * build: fix sqlparser build on Windows
  Windows doesn't have <unistd.h>
  *Risk Level*: Low
  *Testing*: `bazel build //source/... && bazel test //test/...`
  *Docs Changes*: N/A
  *Release Notes*: N/A
diff: @@ -7,5 +7,9 @@ cc_library(
  "include/**/*.h",
  "src/**/*.h",
  ]),
  + defines = select({
  + "@envoy//bazel:windows_x86_64": ["YY_NO_UNISTD_H"],
  + "//conditions:default": [],
  + }),
  visibility = ["//visibility:public"],
  )
  