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: If3fb6c4851633bdbb2b2771de0180c668bb01d14
Reviewed-by: Mithra Pattison <mithra.pattison@nokia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>