Flush output files before checking for unpaired mates.
Flush output files before checking for unpaired mates.

broadinstitute/picard,nh13/picard,annkupi/picard,nh13/picard,nh13/picard,annkupi/picard,alecw/picard,broadinstitute/picard,alecw/picard,annkupi/picard,broadinstitute/picard,broadinstitute/picard,alecw/picard,annkupi/picard,nh13/picard,broadinstitute/picard,alecw/picard