[SCRUTINICE] Avoid NULL dereference

[justsmth]

Issues:

Addresses: P334723467

Description of changes:

Avoid potential dereferenceof NULL return from OBJ_nid2ln.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.25%. Comparing base (541a63e) to head (517d396).

Files with missing lines	Patch %	Lines
tool-openssl/test_util.cc	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2823   +/-   ##
=======================================
  Coverage   78.25%   78.25%           
=======================================
  Files         683      683           
  Lines      117185   117185           
  Branches    16476    16475    -1     
=======================================
+ Hits        91699    91700    +1     
+ Misses      24606    24605    -1     
  Partials      880      880           

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