fix handling of multiple Content-type headers This can happen if an error happens while sending application/mercurial-0.1 content. The error page will be sent resulting (for at least lighttpd) in the following headers: Content-type: application/mercurial-0.1 Content-type: text/html which result in req.proto = 'application/mercurial-0.1, text/html' fix issue344

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#!/bin/sh

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# http://www.selenic.com/mercurial/bts/issue433

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hg init a

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cd a       

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echo a > a 

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hg commit -Ama 

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hg parents -r 0 doesnotexist

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true