Bug fix for the batch file permissions for executing Art Palmer's Modelfree4 program.
This was identified in the post http://thread.gmane.org/gmane.science.nmr.relax.devel/3953/focus=4000.
The file was set to be executable, but on Unix systems it would end up with the permissions "---x------".
Authored by: bugman 2013-06-19
Parent: [r20212]
Child: [r20214]
