propagate dxt env setting on bgq tests

darshan-test/regression/bg-profile-conf-alcf/runjob.sh

 #!/bin/bash
 
+# convert DXT env setting
+if [ -n $DXT_ENABLE_IO_TRACE ]; then
+	DXT_ENV="--env DXT_ENABLE_IO_TRACE="
+fi
+
 # submit job and get job id
-jobid=`qsub --env DARSHAN_LOGFILE=$DARSHAN_LOGFILE --mode c16 --proccount $DARSHAN_DEFAULT_NPROCS -A radix-io -t 10 -n 1 --output $DARSHAN_TMP/$$-tmp.out --error $DARSHAN_TMP/$$-tmp.err --debuglog $DARSHAN_TMP/$$-tmp.debuglog "$@"`
+jobid=`qsub --env DARSHAN_LOGFILE=$DARSHAN_LOGFILE $DXT_ENV --mode c16 --proccount $DARSHAN_DEFAULT_NPROCS -A radix-io -t 10 -n 1 --output $DARSHAN_TMP/$$-tmp.out --error $DARSHAN_TMP/$$-tmp.err --debuglog $DARSHAN_TMP/$$-tmp.debuglog "$@"`
 if [ $? -ne 0 ]; then
 	echo "Error: failed to qsub $@"
 	exit 1