databases/cego: update 2.51.3 -> 2.51.5
- CegoFactor::evalFieldValue, QUERY case, after query evaluation, the parentJoinBuf has to be reset, otherwise an invalid reference is used later to CegoSelect::getQueryId. This might result in core dumps, if query cache is enabled
- Added querycache verification to db check routines
- Added querycache mode to command line options to set up query cache by batch