Fixed CORE-3942: Restore from gbak backup using service doesn't report an error

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58170 65644016-39b1-43b1-bf79-96bc8fe82c15
nightly update

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58173 65644016-39b1-43b1-bf79-96bc8fe82c15