hplip:
 * add missing libm dependency causing scanimage to fail with "can't resolve symbol 'round'" while loading
 * refs #2169
 * refs #2072

TODO: the actual reason is the improper 100-hplip-minimal.patch - it should be reworked or even completely dropped


git-svn-id: file:///var/svn/freetz/trunk@10982 149334a1-2f27-0410-a3b9-fc62619ac1e6