[BUG] redis_disable_transparent_huge_pages runs on every highstate and reports a change

[iaingeorgeson]

Your setup

Formula commit hash / release tag

v0.26.2

Versions reports (master & minion)

3002.2

Pillar / config used

In salt code:
include:
- redis.server

In pillar:
redis:
disable_transparent_huge_pages: true

---

Bug details

Describe the bug

When redis:disable_transparent_huge_pages is set, the redis_disable_transparent_huge_pages cmd.run state runs and reports a change on every highstate.

Steps to reproduce the bug

Set aforementioned configuration. Run highstate,

Expected behaviour

Only report a change on the first run, when the configuration actually changes.

Attempts to fix the bug

Additional context

[noelmcloughlin]

Thanks, I raised #90