Fix an issue that resulted in an error ("Invalid SOS parameters for sequential JPEG.  Didn't expect more than one scan.") when decoding progressive+arithmetic JPEGs generated by libjpeg-turbo.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1049 632fc199-4ca6-4c93-a231-07263d6284db