Fixed CORE-4630: Segfault in server caused by bad packet

git-svn-id: svn://svn.code.sf.net/p/firebird/code/firebird/branches/B2_5_Release@60322 65644016-39b1-43b1-bf79-96bc8fe82c15
nightly update

git-svn-id: svn://svn.code.sf.net/p/firebird/code/firebird/branches/B2_5_Release@60323 65644016-39b1-43b1-bf79-96bc8fe82c15
Fixed CORE-4631: Lock manager "out of room" error hides the real cause of this problem.

git-svn-id: svn://svn.code.sf.net/p/firebird/code/firebird/branches/B2_5_Release@60325 65644016-39b1-43b1-bf79-96bc8fe82c15