fix ERR_HTTP2_HEADER_SINGLE_VALUE error #494
Merged
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This PR fixes the following issue: if http 2 is enabled in kassette, and if the remote server, speaking only http 1, returns multiple values for a header that, according to http 2, is only allowed a single value (such as
x-content-type-options
), the ERR_HTTP2_HEADER_SINGLE_VALUE error was thrown because kassette was trying to keep all header values when replying to the browser with http 2.The fix prevents the error by only keeping the first value in this case.