[sane-backends/f18] (7 commits) ...bump release

[Nils Philippsen]

Summary of changes:

  0b4bccc... rebuild against new libjpeg (*)
  f3c40c5... Rebuild due to "jpeg8-ABI" feature drop (*)
  c2778a6... filter out backend driver provides/requires (*)
  3b29dba... update latex build dep (*)
  8ec0611... umax: initialize reader_pid early in sane_start() (#853667) (*)
  ef37bde... coolscan2/3: support multi-scan option of some devices (*)
  9232224... bump release (*)

(*) This commit already existed in another branch; no separate mail sent