databases/cego: update 2.33.4 -> 2.33.5

• Fix in CegoSelect and friends for query cleanup. The cleanUp method did not cleanup all field value references which might lead to invalid memory access in case of repeated view calls ( Variable pParentJoinBuf ). Corresponding cleanUp method have been introduced or CegoExpr, CegoTerm, CegoFactor and friends.
• Check052 has been introduced to verify the previous described behaviour

Submitted by: Bjoern Lemke <lemke@lemke-it.com>