Fix some issues reported by lintian

Fix some issues reported by lintian

• Trim trailing whitespace. (trailing-whitespace)

• Update watch file format version to 4. (older-debian-watch-file-standard)

• Bump debhelper from old 12 to 13. (package-uses-old-debhelper-compat-version)

• Fix day-of-week for changelog entry 3.2.1-6. (debian-changelog-has-wrong-day-of-week)

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 (out-of-date-standards-version)

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/xtel/2003efa9-c806-44fa-b7a8-383e70f01825.

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/32/abbeccccf07af40a88193002f07debe67aac23.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/62/d280db307048eabb10a98ae704ac0c3aaf2053.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/6a/cdb6f3a31de5e0808e91d5015815ea77ee792d.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/09/c7b2cdedf4a377873ea38b3a3155b896a24854.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/0b/b87a953a971e75a8f09d836f70e170eb66899a.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/5d/8b45b3864bbfe5226e438599486cc651eee03c.debug

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

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

• Build-Ids: 09c7b2cdedf4a377873ea38b3a3155b896a24854 0bb87a953a971e75a8f09d836f70e170eb66899a 5d8b45b3864bbfe5226e438599486cc651eee03c 32abbeccccf07af40a88193002f07debe67aac23 62d280db307048eabb10a98ae704ac0c3aaf2053 6acdb6f3a31de5e0808e91d5015815ea77ee792d

You can also view the diffoscope diff (unfiltered).