Strange, this isn't happening for me with the same versions. However, it looks like your gegl package is in a weird state:
pi libgegl-0.0-0 0.0.20-1 Generic Graphics Library Can you check this and make sure it's fully installed? -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org