Misc.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58661 65644016-39b1-43b1-bf79-96bc8fe82c15
Fixed CORE-4234 - Error with IF (subfunc()) when subfunc returns a boolean.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58662 65644016-39b1-43b1-bf79-96bc8fe82c15