mod_smacks: Update reference to session from send()
a86ae74da96c caused the stanza queue to double on resumption because
session.send() keeps a reference to the session which is what gets
passed to filters, so the added flag was not seen in the filter.
Thanks for your interest in contributing to the project!
There are many ways to contribute, such as helping improve the
documentation, reporting bugs, spreading the word or testing the latest
development version.
You can find more information on how to contribute at <https://prosody.im/doc/contributing>
See also the HACKERS and README files.