Fix exiftool patch file

What does this MR do?

Fix exiftool patch file

The exiftool patch file created an excessive `+` when applied.

Changelog: fixed

As per this comment

This is a follow-up of !1482 (merged).

Related issues

Relates #588 (closed)

Checklist

See Definition of done.

For anything in this list which will not be completed, please provide a reason in the MR discussion

Test Plan

1. Create a test project
2. Create an issue and upload a jpg/tiff with metadata (examples: https://github.com/ianare/exif-samples/tree/master)
3. Download the uploaded image
4. Verify that the metadata has been stripped

Required

• Merge Request Title, and Description are up to date, accurate, and descriptive
• MR targeting the appropriate branch
• MR has a green pipeline on GitLab.com
• When ready for review, MR is labeled "~workflow::ready for review" per the Distribution MR workflow

Expected (please provide an explanation if not completing)

• Test plan indicating conditions for success has been posted and passes
• Documentation created/updated
• Integration tests added to GitLab QA
• The impact any change in container size has should be evaluated
• New dependencies are managed with dependencies.io