message: Fix compile error.
  `make test` does not build lib/cli.
diff: @@ -249,7 +249,7 @@ impl StoreOptions {
  types_to_signature(&func_type.params()),
  types_to_signature(&func_type.results())
  ),
  - CompiledKind::Module => "module",
  + CompiledKind::Module => "module".into(),
  }
  }
  impl LLVMCallbacks for Callbacks {
  