Grids: Remove unneccesary TCompositeCellEditor.GetActiveEditor (introduced in r40375),
make GetActiveControl protected instead.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40415 4005530d-fff6-0310-9dd1-cebe43e6787f
cody: lvlgraph: crosscount

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40416 4005530d-fff6-0310-9dd1-cebe43e6787f