Fixed wrong item "unknown ISC error 0" in error messages

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@60113 65644016-39b1-43b1-bf79-96bc8fe82c15
One more segfault in old API emulation

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@60114 65644016-39b1-43b1-bf79-96bc8fe82c15
Fixed Mac port

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@60116 65644016-39b1-43b1-bf79-96bc8fe82c15