* pas2jni: Handle null objects in the Pointer() support function.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28043 3ad0048d-3df7-0310-abae-a5850022a9f2
fcl-db: oracle: let EOraDatabaseError descend from ESQLDatabaseError instead of EDatabaseError

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28044 3ad0048d-3df7-0310-abae-a5850022a9f2