nightly update

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57599 65644016-39b1-43b1-bf79-96bc8fe82c15
Simplest fix for CORE-4038: Broken optimization for the stored dbkeys.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57601 65644016-39b1-43b1-bf79-96bc8fe82c15