Changed MIME type for MNG to video/x-mng, in accordance with the MNG spec
Changed MIME type for MNG to video/x-mng, in accordance with the MNG spec


kwm81/ImageMagick,UniQP/ImageMagick,UniQP/ImageMagick,Danack/ImageMagick,kwm81/ImageMagick,Danack/ImageMagick,kwm81/ImageMagick,UniQP/ImageMagick,Danack/ImageMagick,UniQP/ImageMagick,Danack/ImageMagick,kwm81/ImageMagick,UniQP/ImageMagick,Danack/ImageMagick,UniQP/ImageMagick,kwm81/ImageMagick,kwm81/ImageMagick,Danack/ImageMagick