Quick fix for alerting

[murrant]

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[librenms-bot]

This pull request has been mentioned on LibreNMS Community. There might be relevant details there:

https://community.librenms.org/t/problem-with-alert-transport/21517/5

[librenms-bot]

This pull request has been mentioned on LibreNMS Community. There might be relevant details there:

https://community.librenms.org/t/alert-rules-and-alert-transports-pages-seem-to-be-broken/21525/2