Make script executable and copy to correct location

Author: garagepoort

StandaloneChromeDebug/Dockerfile

@@ -50,6 +50,8 @@ RUN apt-get update -qqy \
 # Scripts to run Selenium Node
 #==============================
 COPY entry_point.sh /opt/bin/entry_point.sh
+COPY clear_x_locks.sh /opt/bin/clear_x_locks.sh
 RUN chmod +x /opt/bin/entry_point.sh
+RUN chmod +x /opt/bin/clear_x_locks.sh
 
 EXPOSE 5900