Update lintian override info format in d/source/lintian-overrides on line 2

Update lintian override info format in d/source/lintian-overrides on line 2. (mismatched-override)

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Build and test logs for this branch can be found at https://janitor.debian.net/lintian-fixes/pkg/gnome-maps/fdfa8b42-2ee8-4840-9a03-7dd338d71246.

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/f0/2a4e96cacb8bf3acfeeb458da70eee970209f8.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/0f/7ce75e1e79b36329023a75710fb9ada07a2a82.debug

No differences were encountered between the control files of package **gnome-maps**

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

• Build-Ids: 0f7ce75e1e79b36329023a75710fb9ada07a2a82 f02a4e96cacb8bf3acfeeb458da70eee970209f8

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