Update run_zdc_sipmontile.sh

corrected a mistake in script

benchmarks/far_forward/run_zdc_sipmontile.sh

@@ -140,7 +140,7 @@ cp ${JUGGLER_REC_FILE} testdir/
 conda env create -f benchmarks/far_forward/pointcloud/tensorflow.yml
 conda activate tensorflow
 
-python benchmarks/far_forward/pointcloud/
+cd benchmarks/far_forward/pointcloud/
 python inference.py --results model/ --test_dir ../../../testdir/ --num_test_files 1
 cd -