mod_sasl2_fast: Fix harmless off-by-one error (invalidates existing tokens!) Problem: This was causing the key to become "<token>--cur" instead of the expected "<token>-cur". As the same key was used by the code to both set and get, it still worked. Rationale for change: Although it worked, it's unintended, inconsistent and messy. It increases the chances of future bugs due to the unexpected format. Side-effects of change: Existing '--cur' entries will not be checked after this change, and therefore existing FAST clients will fail to authenticate until they attempt password auth and obtain a new FAST token. Existing '--cur' entries in storage will not be cleaned up by this commit, but this is considered a minor issue, and okay for the relatively few FAST deployments.

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summary: Injects ecaps2 elements (XEP-0390) in presence
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Description
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This module injects [XEP-0390: Entity Capabilities 2.0] elements in the
presence once the legacy caps (XEP-0115) are received.

Compatibility
=============

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  trunk   Works
  0.11    Does not work
  0.10    Does not work
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