Fix unqualified reference to openssl in 25-test_verify_store.t

Fix unqualified reference to openssl in 25-test_verify_store.t

This problem resulted in the wrong location of openssl being used
for one step in subtest 7.  The error condition is hidden if openssl
appears in the PATH.

Resolves: https://github.com/openssl/openssl/issues/31496
Fixes: 3638ffc38015 "Refactor cache_objects() loop and object type handling"
Signed-off-by: Randall S. Becker <randall.becker@nexbridge.ca>
Reviewed-by: Nikola Pajkovsky <nikolap@openssl.org>
Reviewed-by: David von Oheimb <david.von.oheimb@siemens.com>
Reviewed-by: Matt Caswell <matt@openssl.foundation>
Reviewed-by: Eugene Syromiatnikov <esyr@openssl.org>
Reviewed-by: Bob Beck <beck@openssl.org>
MergeDate: Wed Jun 24 08:47:58 2026
(Merged from https://github.com/openssl/openssl/pull/31647)