Related to 3c07e2351a94e4ff2cf3c6b9b9df4d7462cd5760 commit, but on server side.

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

Add a message check for pdb server. Related to commit: 3c07e23 You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/2233

-- Commit Summary --

* pdbt: add pdb server message check

-- File Changes --

M utils/pdbt/common.c (10)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/2233.patch https://github.com/kamailio/kamailio/pull/2233.diff