[REVIEW-3-5] MSVC qsort issue

[Muthu Subramanian K]

>
> Other functions where CharAttribList::ResortAttribs() is called seem to
> not guarantee that. So your fix would only help where the entire array
> is already sorted, not where only partial sorting is to be retained.
> Would be good to know if ContentNode::ExpandAttribs() and
> ContentNode::CollapsAttribs() and EditDoc::InsertAttribInSelection() and
> EditDoc::RemoveAttribs() really work as expected in these cases. Could
> you please check?

It should. Because on Linux the array is indeed partial sorted. (It is 
supposed to be, otherwise the bug will occur on Linux too). (Ref: the 
sort checks only the start/end not the nWhich)

[Not sure, if I understood you right, please do correct me if I 
misunderstood you. Thanks!]

- Muthu Subramanian