Fix permissions of prepare-install4j.sh
Fix permissions of prepare-install4j.sh

JabRef/jabref,JabRef/jabref,zellerdev/jabref,JabRef/jabref,Siedlerchr/jabref,sauliusg/jabref,Siedlerchr/jabref,Siedlerchr/jabref,JabRef/jabref,sauliusg/jabref,zellerdev/jabref,zellerdev/jabref,zellerdev/jabref,sauliusg/jabref,zellerdev/jabref,Siedlerchr/jabref,sauliusg/jabref