message: Fix interop runner line ending
diff: @@ -13,7 +13,7 @@ case "$ROLE" in
  client)
  /wait-for-it.sh sim:57832 -s -t 30
  sleep 5
  - RUST_LOG=debug RUST_BACKTRACE=1 neqo-client --cc cubic --qns-test "$TESTCASE"
  + RUST_LOG=debug RUST_BACKTRACE=1 neqo-client --cc cubic --qns-test "$TESTCASE" \
  --qlog-dir "$QLOGDIR" --output-dir /downloads $REQUESTS
  ;;
  