Remove out-of-line uses of qMalloc/qFree/qRealloc.

Remove out-of-line uses of qMalloc/qFree/qRealloc.

Per http://codereview.qt-project.org/#change,11562, we are trying to remove these
in favour of direct allocation, or (in the case of inline code) specialised
out-of-line wrappers.

Change-Id: I113609c4f97dc5c8020a72cbd398572cdb5b7505
Reviewed-by: Aaron Kennedy <aaron.kennedy@nokia.com>