bin/55976: usr.bin/xlint/lint1/t_integration:all_messages test case fails

[gson%gson.org@localhost (Andreas Gustafsson)]

>Number:         55976
>Category:       bin
>Synopsis:       usr.bin/xlint/lint1/t_integration:all_messages test case fails
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Feb 04 18:50:00 +0000 2021
>Originator:     Andreas Gustafsson
>Release:        NetBSD-current, source date >= 2021.01.05.22.38.51
>Organization:
>Environment:
System: NetBSD
Architecture: i386
Machine: i386
>Description:

On Jan 6, the NetBSD Test Fixture reported:

  This is an automatically generated notice of a new failure of the
  NetBSD test suite.

  The newly failing test case is:

      usr.bin/xlint/lint1/t_integration:all_messages

  The above test failed in each of the last 4 test runs, and passed in
  at least 26 consecutive runs before that.

  The following commits were made between the last successful test and
  the failed test:

      2021.01.05.22.17.40 mlelstv src/share/man/man4/dk.4,v 1.8
      2021.01.05.22.38.51 rillig src/tests/usr.bin/xlint/lint1/msg_324.c,v 1.2
      2021.01.05.22.38.51 rillig src/tests/usr.bin/xlint/lint1/msg_324.exp,v 1.2

  Logs can be found at:

      http://releng.NetBSD.org/b5reports/i386/commits-2021.01.html#2021.01.05.22.38.51

This is still failing as of today.

>How-To-Repeat:

Run the tests.

>Fix: