re-enable dos2unix in job output parsing

- this is a workaround to strip unusual characters out of output so that
  the mailx command will put it inline with message

perf-regression/cooley/run-regression.sh

@@ -111,7 +111,7 @@ cqwait $JOBID4
 echo "=== JOB DONE, COLLECTING AND SENDING RESULTS ==="
 # gather output, strip out funny characters, mail
 cat $JOBID.* $JOBID2.* $JOBID3.* $JOBID4.*> combined.$JOBID.txt
-#dos2unix combined.$JOBID.txt
+dos2unix combined.$JOBID.txt
 mailx -s "mochi-regression (cooley)" sds-commits@lists.mcs.anl.gov < combined.$JOBID.txt
 
 cd /tmp