Comment 5 for bug 615285

This turned out to be due to a bug in the way I located files mentioned in syslinux include statements. The fix has been committed, and I will be making a new release shortly. For reference (and/or any patching that may be desired) the diff is located at:

http://github.com/gkovacs/unetbootin/commit/feab255c7c67b9663092be2420fb69a1fc32d446#diff-1