Cherry-pick #16961 to 7.x: Fix docs for translate_sid processor (#16970)

* Fix docs for translate_sid processor (#16961)

I forgot to change the conditional for ifdef to ifndef. It was also missing a changelog entry.

(cherry picked from commit 4a082e7)

CHANGELOG.next.asciidoc

@@ -197,6 +197,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Add support for multiple password in redis output. {issue}16058[16058] {pull}16206[16206]
 - Remove experimental flag from `setup.template.append_fields` {pull}16576[16576]
 - Add `add_cloudfoundry_metadata` processor to annotate events with Cloud Foundry application data. {pull}16621[16621]
+- Add `translate_sid` processor on Windows for converting Windows security identifier (SID) values to names. {issue}7451[7451] {pull}16013[16013]
 
 *Auditbeat*
 

libbeat/docs/processors-list.asciidoc

@@ -98,7 +98,7 @@ endif::[]
 ifndef::no_truncate_fields_processor[]
 * <<truncate-fields, `truncate_fields`>>
 endif::[]
-ifdef::no_translate_sid_processor[]
+ifndef::no_translate_sid_processor[]
 * <<processor-translate-sid, `translate_sid`>>
 endif::[]
 //# end::processors-list[]
@@ -200,7 +200,7 @@ endif::[]
 ifndef::no_truncate_fields_processor[]
 include::{libbeat-processors-dir}/actions/docs/truncate_fields.asciidoc[]
 endif::[]
-ifdef::no_translate_sid_processor[]
+ifndef::no_translate_sid_processor[]
 include::{libbeat-processors-dir}/translate_sid/docs/translate_sid.asciidoc[]
 endif::[]