Fixed issue in jpeg:extent that prevented it from working.
Fixed issue in jpeg:extent that prevented it from working.

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