carrierwaveuploader/carrierwave — pull request #1216 by klacointe (2013-09-12 12:01:59+00:00)
Title: SanitizedFile doesn't set content type when retrieving image from store.

Hi,

Using CarrierWave::MimeTypes, the content_type is only available directly after the upload phase.
After upload, calling `my_model.uploader.content_type` always return `nil`

This PR seems to fix that.