3.3.x: Fix memleaks in gnutls_x509_trust_list_add_crls()
This backports the cleanups in gnutls_x509_trust_list_add_crls() from 3.6.x, and addresses a use-after-free.
Checklist
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Code modified for feature
Reviewer's checklist:
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Any issues marked for closing are addressed -
There is a test suite reasonably covering new functionality or modifications -
Function naming, parameters, return values, types, etc., are consistent and according to CONTRIBUTION.md
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This feature/change has adequate documentation added -
No obvious mistakes in the code
Edited by Nikos Mavrogiannopoulos