[FS#742] LuCI csrf token error after upgrading from OpenWRT 15.05.1 to LEDE 17.01.1

[LEDE Bugs]

The following task is now closed:

FS#742 - LuCI csrf token error after upgrading from OpenWRT 15.05.1 to LEDE 17.01.1
User who did this - Jo-Philipp Wich (jow-)

Reason for closing: No response
Additional comments about closing: No response in a month

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=742