PROC_SIPINIT has a special meaning representing the first SIP worker.

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#### Description <!-- Describe your changes in detail -->

You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/2863

-- Commit Summary --

* <a href="https://github.com/kamailio/kamailio/pull/2863/commits/df5f41ccc3c779848bdb7eea38e3fdb6c04af195">Correcting rank value passed to fork_process #2809</a>

-- File Changes --

M src/modules/ims_registrar_pcscf/ims_registrar_pcscf_mod.c (2)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/2863.patch https://github.com/kamailio/kamailio/pull/2863.diff