Bug 257593 - make chart.cgi use Bugzilla::CGI for headers, meaning that if you log in via chart.cgi it doesn't get lost. Patch by wurblzap@gmail.com; r=gerv.
Bug 257593 - make chart.cgi use Bugzilla::CGI for headers, meaning that if you log in via chart.cgi it doesn't get lost. Patch by wurblzap@gmail.com; r=gerv.

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