Misc.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57887 65644016-39b1-43b1-bf79-96bc8fe82c15
Cleanup reference



git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57888 65644016-39b1-43b1-bf79-96bc8fe82c15
FLINT_CACHE was never used , dead leftover from ib 4.0 product years http://sourceforge.net/mailarchive/message.php?msg_id=5975155 (FLINSTONE is gone)


git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57889 65644016-39b1-43b1-bf79-96bc8fe82c15
Cleanup commented code , was a wrong copy paste 


git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57890 65644016-39b1-43b1-bf79-96bc8fe82c15
SIGURG is not used , cleanup commented code 


git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57891 65644016-39b1-43b1-bf79-96bc8fe82c15
Remove absolete sinixz check



git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57892 65644016-39b1-43b1-bf79-96bc8fe82c15