Merge #929

929: Fix migration typo r=mergify[bot] a=muhlemmer

## What type of PR?

bug-fix

## What does this PR do?

Fix a typo in one of the migration scripts.

### Related issue(s)
- closes #905

## Prerequistes
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.

- [x] Unless it's docs or a minor change: place entry in the [changelog](CHANGELOG.md), under the latest un-released version.


Co-authored-by: Tim Möhlmann <muhlemmer@gmail.com>

CHANGELOG.md

@@ -12,6 +12,7 @@ v1.6.1 - unreleased
 - Bug: Fix creating new fetched accounts
 - Enhancement: Missing wildcard option in alias flask command ([#869](https://github.com/Mailu/Mailu/issues/869))
 - Bug: Fix poor performance if ANTIVIRUS is configured to none.
+- Bug: Fix typo in migration script ([#905](https://github.com/Mailu/Mailu/issues/905))
 
 v1.6.0 - 2019-01-18
 -------------------

core/admin/migrations/versions/5aeb5811408e_.py

@@ -106,7 +106,7 @@ def upgrade():
     # lower relays
     for relay in connection.execute(relay_table.select()):
         connection.execute(relay_table.update().where(
-            relay_tbale.c.name == relay.name
+            relay_table.c.name == relay.name
         ).values(
             name=relay.name.lower()
         ))