Update GeometryTest Valgrind suppression file for OCE

Fixes trac issue [#10704](http://trac.mantidproject.org/mantid/ticket/10704)

The only changes on with the suppressions file so just check that there [valgrind_develop_core_packages](http://builds.mantidproject.org/view/Valgrind/job/valgrind_develop_core_packages/) build is back to stable.