Backport #497

[nkoenig]

Signed-off-by: Nate Koenig nate@openrobotics.org

🦟 Bug fix

Summary

Backports pointer check to ign-gui6.

Checklist

• [ ] Signed all commits for DCO
• [ ] Added tests
• [ ] Updated documentation (as needed)
• [ ] Updated migration guide (as needed)
• [ ] Consider updating Python bindings (if the library has them)
• [ ] codecheck passed (See contributing)
• [ ] All tests passed (See test coverage)
• [ ] While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov[bot]]

Codecov Report

Merging #498 (a8053ba) into ign-gui6 (4232d2a) will not change coverage. The diff coverage is 100.00%.

@@            Coverage Diff            @@
##           ign-gui6     #498   +/-   ##
=========================================
  Coverage     68.00%   68.00%           
=========================================
  Files            39       39           
  Lines          5239     5239           
=========================================
  Hits           3563     3563           
  Misses         1676     1676           

Impacted Files	Coverage Δ
src/Application.cc	86.52% <100.00%> (ø)

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