Adjust black level on Panasonics and eliminate more black pixels. (Thanks to Jos De Laender)
Adjust black level on Panasonics and eliminate more black pixels. (Thanks to Jos De Laender)

git-svn-id: 04e88ac4940b0408b73cd6f458a224a262abaaff@527 ec705bc8-faf6-4f9b-9aff-b4916e9bedc3

jbuchbinder/rawspeed,jbuchbinder/rawspeed