Fixes another stupid typo with PackBuilder
Fixes another stupid typo with PackBuilder

This would forget to add some files to the archive in some conditions
when symbolic links are involved.

ViDA-NYU/reprozip,JosuaKrause/reprozip,JosuaKrause/reprozip,ViDA-NYU/reprozip,JosuaKrause/reprozip,ViDA-NYU/reprozip,ViDA-NYU/reprozip,ViDA-NYU/reprozip,JosuaKrause/reprozip