Small refactoring.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@60405 65644016-39b1-43b1-bf79-96bc8fe82c15
Correction for the prior commit.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@60406 65644016-39b1-43b1-bf79-96bc8fe82c15