Fixed CORE-3990: Fix broken EDIT in isql

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57713 65644016-39b1-43b1-bf79-96bc8fe82c15
Postfix for CORE-3990

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57715 65644016-39b1-43b1-bf79-96bc8fe82c15