[FS#965] flyspray: github login is broken when user changed the github email after registering

[LEDE Bugs]

The following task has a new comment added:

FS#965 - flyspray: github login is broken when user changed the github email after registering
User who did this - Alexander Couzens (lynxis)

----------
I've send you the name via mail including his new email address.
----------

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=965#comment3247