Version bump for slot 2 and 3.

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key F3CFD2BD)
oracle-instantclient-basic-11.2.0.4: Fix for pure x86_32 setup, pointed out by Cedric Godin in #505522.

(Portage version: 2.2.8-r1/cvs/Linux x86_64, signed Manifest commit with key A630CCB8)