better cleanup of tmp files when repairs fail
better cleanup of tmp files when repairs fail

jdost321/hdfs-xrootd-fallback-proj,jdost321/hdfs-xrootd-fallback-proj,jdost321/hdfs-xrootd-fallback-proj,jdost321/hdfs-xrootd-fallback-proj,jdost321/hdfs-xrootd-fallback-proj