message: update appveyor to include new ff
diff: @@ -18,5 +18,5 @@ install:
  build: false
  test_script:
  - - REM SET RUST_LOG=tantivy,test & cargo test --all --verbose --no-default-features --features mmap
  + - REM SET RUST_LOG=tantivy,test & cargo test --all --verbose --no-default-features --features lz4-block-compression --features mmap
  - REM SET RUST_BACKTRACE=1 & cargo build --examples
  