Clear handle in JBlob when blob is destroyed

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59976 65644016-39b1-43b1-bf79-96bc8fe82c15
Cleanup

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59977 65644016-39b1-43b1-bf79-96bc8fe82c15
Cleanup and small refactoring to avoid redundancy.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59978 65644016-39b1-43b1-bf79-96bc8fe82c15
Cleanup and small refactoring to avoid redundancy.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59979 65644016-39b1-43b1-bf79-96bc8fe82c15
Corrections for the prior commit:Explicitly distinguish between thread handle and thread id. Return LWP as thread id on Linux.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59980 65644016-39b1-43b1-bf79-96bc8fe82c15
Corrections for the prior commit:Explicitly distinguish between thread handle and thread id. Return LWP as thread id on Linux.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59981 65644016-39b1-43b1-bf79-96bc8fe82c15
Clear handle in JBlob when blob is destroyed

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59982 65644016-39b1-43b1-bf79-96bc8fe82c15