Fix typo in code comment

[lkb85]

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Minor typo fixes in comments.

Changed files:

• core/src/main/java/org/springframework/ldap/odm/typeconversion/impl/ConverterManagerImpl.java
• test/integration-tests/src/test/java/org/apache/directory/server/core/avltree/ArrayMarshaller.java

This change does not include functional changes.