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#### Description

Small log improvement, in order to make easier to find the origin of redis errors.

Log sample : ``` WARNING: topos_redis [topos_redis_storage.c:834]: tps_redis_load_branch(): invalid redis result type: 6 WARNING: topos [tps_storage.c:626]: tps_storage_record(): no local address - do record routing for all initial requests ERROR: topos [tps_storage.c:637]: tps_storage_record(): failed to store ```

The root cause is probaly in redis error message and it whould be nice to log it You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/3965

-- Commit Summary --

* topos_redis : show redis error for post mortem analysis

-- File Changes --

M src/modules/topos_redis/topos_redis_storage.c (9)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/3965.patch https://github.com/kamailio/kamailio/pull/3965.diff