mod_storage_appendmap: Fix keyvalue writes store_raw() takes a filename, unlike most other datamanager functions that take a series of path components, leading to this bug where it would write the hostname into a file named after the first argument (commonly a username) in the working directory.

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labels:
- Statistics
summary: 'Report malloc() stats'
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Description
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This module collects stats from `util.pposix.meminfo` usage and reports using Prosody 0.12 APIs