EllisLab/CodeIgniter — pull request #2409 by chernjie (2013-04-16 08:54:16+00:00)
Title: apache_request_headers need not go through recapitalization of incoming headers

apache_request_headers need not go through recapitalization of incoming headers and should be pass through as is.
This is a follow up on #2107 (c82b57b) by @danhunsaker;