[FS#977] building iw is currently failing on version.sh

[LEDE Bugs]

The following task is now closed:

FS#977 - building iw is currently failing on version.sh
User who did this - Stijn Tintel (stintel)

Reason for closing: Fixed
Additional comments about closing: https://git.lede-project.org/c317af77

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=977