testevs.c:
Make testevs exit on evs_initialize if the return code is not EVS_OK.
evs.c:
Add handle instance destructor code. Previously it was set to
null and was being called which caused a null jump.

BKrev: 416f1bdbIKOv0YEK2JzYcGImsLWrsA


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@336 fd59a12c-fef9-0310-b244-a6a79926bd2f