Fix some issues reported by lintian

Fix some issues reported by lintian

• Trim trailing whitespace. (trailing-whitespace)

• Use secure URI in Homepage field. (homepage-field-uses-insecure-uri)

• Set upstream metadata fields: Bug-Submit (from ./configure). (upstream-metadata-file-is-missing)

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.

You can follow up to this merge proposal as you normally would.

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/adonthell/2e01d269-9b5f-4958-8df8-dc32e752dedf.

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/8a/9eecab615c338682b248ab916fcc005eaa2f4b.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/e4/704cc2c35e61c47d427b18ae02be03a6c786a9.debug

Control files of package adonthell: lines which differ (wdiff format)

• Homepage: http​://adonthell.nongnu.org/index.shtml https​://adonthell.nongnu.org/index.shtml

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

• Build-Ids: e4704cc2c35e61c47d427b18ae02be03a6c786a9 8a9eecab615c338682b248ab916fcc005eaa2f4b

You can also view the diffoscope diff (unfiltered).