fix missing conn

[huss]

Description

The DB conn was missing in an Obvious file. This fixes that.

Type of change

• Note merging this changes the database configuration.
• This change requires a documentation update

Checklist

• I have followed the OED pull request ideas
• I have removed text in ( ) from the issue request
• You acknowledge that every person contributing to this work has signed the OED Contributing License Agreement and each author is listed in the Description section.

Limitations

None known

[huss]

This is a very simple change (famous claim :-) that fixes a bug so I'm merging it even though it is my work.