Reverse dependencies of "sane-backends"

Depended by: hplip, ksanecore, libreoffice, simple-scan, tdegraphics, wine, xsane

Depended by (build): colord, pillow

Library depended by:

• hplip, ksanecore, simple-scan, tdegraphics, wine, xsane
• (Circular dependencies) latx, colord