[whatwg/fetch] Fix: Appending a header to headers with "request-no-cors" guard (#840)

If the headers doesn't contain entries for |name|, |temporaryValue|
should be |value|, not the combined value followed by 0x2c 0x20
followed by |value|.
You can view, comment on, or merge this pull request online at:

  https://github.com/whatwg/fetch/pull/840

-- Commit Summary --

  * Fix: Appending a header to headers with "request-no-cors" guard

-- File Changes --

    M fetch.bs (7)

-- Patch Links --

https://github.com/whatwg/fetch/pull/840.patch
https://github.com/whatwg/fetch/pull/840.diff

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/whatwg/fetch/pull/840