Fixing a bug in tag restore

Dependencies

• [2] QL6K2ZM3 Tags
• [3] AAXP2534 Tags: completing the subcommand

Change contents

• replacement in pijul/src/commands/tag.rs at line 113
  [2.4392]→[2.4392:4457](∅→∅)
  − let f = libpijul::tag::OpenTagFile::open(&tag)?;
  [2.4392]

  [2.4457]
  + let f = libpijul::tag::OpenTagFile::open(&tag_path)?;