Fix image pitch in uncompressed DNGs with more than 1 component/pixel. Thanks to Alex Tutubalin
Fix image pitch in uncompressed DNGs with more than 1 component/pixel. Thanks to Alex Tutubalin

git-svn-id: 04e88ac4940b0408b73cd6f458a224a262abaaff@502 ec705bc8-faf6-4f9b-9aff-b4916e9bedc3

jbuchbinder/rawspeed,jbuchbinder/rawspeed