Icu error with Firebird 3.0 patch

I started refactoring firebird 3.0 patch for libreoffice (updated to rc2) https://gist.github.com/mariuz/bcde7f783b657b2465e5 and there are few issues with icu linking https://gist.github.com/mariuz/68588eabb4f40c8aa008a601eade91e2 https://gist.github.com/mariuz/68588eabb4f40c8aa008a601eade91e2#gistcomment-1739036

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