Fix crash on AIX related to static use of vtkNew

We need to include vtkDebugLeaks in order to ensure intiialization of
static variables occurs in the correct order. Thanks to Brad King for
pointing out the solution.

Change-Id: I357c9c6fe4b194618970eed98ff40a70dce75a5f
Merge topic 'chemistry-debug-leaks' into master

865ac03c Fix crash on AIX related to static use of vtkNew