rtags: declare indirect deps with linkage

[iMichka]

Seen in #172084

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[chenrui333]

==> /opt/homebrew/Cellar/rtags/2.40_2/bin/rc -c
  Can't seem to connect to server (/private/tmp/rtags-test-20240[52](https://github.com/Homebrew/homebrew-core/actions/runs/9228931569/job/25396299954?pr=172764#step:3:53)4-18539-cro1ak/.rdm)
  Error: rtags: failed
  Error: rtags: failed
  An exception occurred within a child process:
    Minitest::Assertion: Expected: 0
    Actual: 36

[github-actions[bot]]

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