mod_invites_adhoc: Set non-nil defaults for options, fixes traceback (thanks Martin)
Fixes an error when attempting to call the :empty() method on the
default implicit default nil value.
---
labels:
- Statistics
summary: 'Report malloc() stats'
---
Description
===========
This module collects stats from `util.pposix.meminfo` usage and reports using Prosody 0.12 APIs