LU-2273 tests: test failure on lustre-rsync-test

LU-2273 tests: test failure on lustre-rsync-test

One off allocation errors in lustre_rsync test program cause
corruption of malloc arena and program faults.

Test-Parameters: clientdistro=sles11sp2 \
    envdefinitions=SANITY_EXCEPT=39l,CONF_SANITY_EXCEPT=32b

Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: If347bedcac7d843560b5e215cf09002316ae7b47
Reviewed-on: http://review.whamcloud.com/4583
Tested-by: Hudson
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Keith Mannthey <keith.mannthey@intel.com>