Cleanup. MSVC10 does not like references to non-existing files. As for INTL, I see no sense in seeing all the charsets/collations in the IDE.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57797 65644016-39b1-43b1-bf79-96bc8fe82c15
Small refactoring.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57798 65644016-39b1-43b1-bf79-96bc8fe82c15