[FS#199] /etc/opkg/distfeeds.conf - change http to https urls

[LEDE Bugs]

The following task has a new comment added:

FS#199 - /etc/opkg/distfeeds.conf - change http to https urls
User who did this - Jo-Philipp Wich (jow-)

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Due to size constraints we will not enable SSL by default. I believe the EC signing of the package indexes requires enough integrity guarantees.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=199#comment577