Again, 1.0.4 library isn't really important for JLinked. However, if you're antsy to get it up to date, you can download the library directly from the link below and install it through the Joomla installer:
www.sourcecoast.com/jfbconnect/product-overview
We'll be re-packaging JLinked with some bug-fixes and the updated library (likely) next week.
Sorry again for the troubles, and hope that helps,
Alex