…params in the message

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#### Pre-Submission Checklist <!-- Go over all points below, and after creating the PR, tick all the checkboxes that apply --> <!-- All points should be verified, otherwise, read the CONTRIBUTING guidelines from above--> <!-- If you're unsure about any of these, don't hesitate to ask on sr-dev mailing list --> - [ X] Commit message has the format required by CONTRIBUTING guide - [ X] Commits are split per component (core, individual modules, libs, utils, ...) - [ X] Each component has a single commit (if not, squash them into one commit) - [ X] No commits to README files for modules (changes must be done to docbook files in `doc/` subfolder, the README file is autogenerated)

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#### Checklist: <!-- Go over all points below, and after creating the PR, tick the checkboxes that apply --> - [X ] PR should be backported to stable branches - [X ] Tested changes locally - [X ] Related to issue #1526

#### Description <!-- Describe your changes in detail --> If a register is received without sec-agree parameters, a NULL pointer is deferenced, which causes segfault. You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/1527

-- Commit Summary --

* ims_registrar_pcscf: Update tmp security only if there are sec-agree params in the message

-- File Changes --

M src/modules/ims_registrar_pcscf/save.c (8)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/1527.patch https://github.com/kamailio/kamailio/pull/1527.diff