Fix a minor memory leak in malformed CRAM EXTERNAL blocks. #1671
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If we have an unofficial CRAM v4.0 encoded file and are attempting to use non-byte based data in an EXTERNAL encoded block, then we didn't free the cram_codecs structure when failing to parse and initialise. Credit to OSS-Fuzz Fixes oss-fuzz 62144
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If we have an unofficial CRAM v4.0 encoded file and are attempting to use non-byte based data in an EXTERNAL encoded block, then we didn't free the cram_codecs structure when failing to parse and initialise.
Credit to OSS-Fuzz
Fixes oss-fuzz 62144