fixed xml paths 2

Author: chrisgorgo

docker/circleci/run_examples.sh

@@ -12,6 +12,6 @@ echo 'log_to_file = true' >> /root/.nipype/nipype.cfg
 echo 'log_directory = /scratch/logs/' >> /root/.nipype/nipype.cfg
 
 coverage run /root/src/nipype/tools/run_examples.py $@
-coverage xml -o "/scratch/smoketest_${@//[^A-Za-z0-9._-]/_}.xml"
+coverage xml -o "/scratch/smoketest_${@//[^A-Za-z0-9_-]/_}.xml"
 
 chmod 777 -R /scratch/logs