#### Pre-Submission Checklist - [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)

#### Type Of Change - [x] Small bug fix (non-breaking change which fixes an issue) - [ ] New feature (non-breaking change which adds new functionality) - [ ] Breaking change (fix or feature that would change existing functionality)

#### Checklist: - [x] PR should be backported to stable branches - [x] Tested changes locally - [ ] Related to issue #XXXX

#### Description There's an regression after 42228552b72267786561704f120e3da3aac5fd89

`pike.so` was affected by the commit. RPC `pike.top` and `pike.list` commands didn't work.

`str_casesearch()` had returned NULL while text and needle were equal.

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

https://github.com/kamailio/kamailio/pull/2743

-- Commit Summary --

* core: ut - fixed str_casesearch()

-- File Changes --

M src/core/ut.c (4)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/2743.patch https://github.com/kamailio/kamailio/pull/2743.diff