Fix some issues reported by lintian

Fix some issues reported by lintian

• Set upstream metadata fields: Repository-Browse. (upstream-metadata-file-is-missing)

• Update standards version to 4.6.1, no changes needed. (out-of-date-standards-version)

• Avoid explicitly specifying -Wl,--as-needed linker flag. (debian-rules-uses-as-needed-linker-flag)

This merge proposal was created automatically by the Janitor bot. For more information, including instructions on how to disable these merge proposals, see https://janitor.debian.net/lintian-fixes.

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The bot will automatically update the merge proposal to resolve merge conflicts or close the merge proposal when all changes are applied through other means (e.g. cherry-picks). Updates may take several hours to propagate.

Build and test logs for this branch can be found at https://janitor.debian.net/lintian-fixes/pkg/farmhash/2367143f-92c7-476b-a4c2-7c6c6956cc7e.

Debdiff

These changes affect the binary packages:

[The following lists of changes regard files as different if they have different names, permissions or owners.]

Files in second set of .debs but not in first

-rw-r--r--  root/root   /usr/lib/debug/.build-id/f2/2966daec66a7299b0409a3de084e9b25b4ba0a.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/7a/b5c12bad5e0049b8fcf40bcf2a4439e0cec503.debug

No differences were encountered between the control files of package **libfarmhash-dev**

No differences were encountered between the control files of package **libfarmhash0**

Control files of package libfarmhash0-dbgsym: lines which differ (wdiff format)

• Build-Ids: 7ab5c12bad5e0049b8fcf40bcf2a4439e0cec503 f22966daec66a7299b0409a3de084e9b25b4ba0a

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