teuthology/task/install/valgrind.supp: add suppression for dlopen()
teuthology/task/install/valgrind.supp: add suppression for dlopen()

should cover the case of malloc() in addition to calloc()

Fixes: http://tracker.ceph.com/issues/22438
Signed-off-by: Kefu Chai <a4b264ee037c625052534d60505bfd0db4776ac4@redhat.com>

ceph/teuthology,SUSE/teuthology,ktdreyer/teuthology,dmick/teuthology,SUSE/teuthology,ktdreyer/teuthology,SUSE/teuthology,dmick/teuthology,dmick/teuthology,ceph/teuthology