bug#9045: 24.0.50; Cannot display image: (Invalid image type `jpeg')

[Chong Yidong]

Glenn Morris <rgm@gnu.org> writes:

>> I have configured GNU Emacs without direct JPEG and TIFF support.
>> After launching it with -Q I execute in *scratch* buffer
>>
>>      (imagemagick-register-types)
>>
>> (nil is returned). When I view from dired file.jpeg, then only its
>> bytes are displayed in a (Fundamental Image View) buffer. In
>> *Messages* buffer
>>
>>      Cannot display image: (Invalid image type `jpeg')
>
> This happens because in the function `image-type',
> image-type-from-file-header returns `jpeg', and image-types has no entry
> for jpeg.

Fixed in trunk.