nightly update

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59148 65644016-39b1-43b1-bf79-96bc8fe82c15
It's not needed anymore to link against ICU import libraries.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59149 65644016-39b1-43b1-bf79-96bc8fe82c15
Warnings.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59150 65644016-39b1-43b1-bf79-96bc8fe82c15