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: Collect statistics on user presences
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Description
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This module measures the number of resources of a certain show (available,
away, etc.) currently connected, and reports using Prosody 0.10 APIs