tree df78edbe8c91b452c53a8a43a59677e8e1b3ca5b
parent 85e8a64bb42086909e4793782963887fb1ceb421
author Neels Hofmeyr <neels@hofmeyr.de> 1510057244 +0100
committer Neels Hofmeyr <nhofmeyr@sysmocom.de> 1510108145 +0000

hlr_db_tool: fix error log strerror invocation

The db API returns negative errno values, need to flip the sign before feeding
to strerror.

Fixes: coverity CID#178658
Change-Id: Iaab46f565a1112d8a7def8ea90a5cd440c0a3b41