net-im/prosody: Fix http files download

net-im/prosody: fix ETag creation

• Include patch from upstream to fix crash in mod_http_files when encountering large device- or inode-numbers [1]

[1] https://issues.prosody.im/1498

PR: 244618
Submitted by: Thomas Morper <thomas@beingboiled.info> (maintainer)
Reported by: rozhuk.im@gmail.com