message: [language] fix is_script flag of disassembler
  Closes:
  Approved by: bob-wilson
diff: @@ -36,13 +36,13 @@ struct Args {
  #[structopt(long = "skip-basic-blocks")]
  pub skip_basic_blocks: bool,
  - /// The path to the bytecode file to disassemble; let's call it file.mv. We assume that two
  - /// other files reside under the same directory: a source map file.mvsm (possibly) and the Move
  - /// source code file.move.
  + /// Treat input file as a script (default is to treat file as a module)
  #[structopt(short = "s", long = "script")]
  pub is_script: bool,
  - /// The path to the bytecode file.
  + /// The path to the bytecode file to disassemble; let's call it file.mv. We assume that two
  + /// other files reside under the same directory: a source map file.mvsm (possibly) and the Move
  + /// source code file.move.
  #[structopt(short = "b", long = "bytecode")]
  pub bytecode_file_path: String,
  }
  