* Fix const-correctness by @lemenkov in #826
- Update to version 3.7.6
* Add support for 'r' wildcard in call ID formatting.
* Introduce StringBuilder as snprintf replacement.
* Build: Export symbols to support plugins.
* JLSRTP: Add comments explaining string reserve sizes.
* SRTP: Fix mis-parsing of long input line.
* SRTP: Consolidate Srtp{Audio,Video}InfoParams.
OBS-URL: https://build.opensuse.org/package/show/network:telephony/sipp?expand=0&rev=19
