package/opencv3: objdetect needs calib3d
objdetect needs calib3d since version 3.4.4 and
https://github.com/opencv/opencv/commit/53ec8f286b7d475fa5a799023595bd4dc73e5c81
Fixes:
- http://autobuild.buildroot.org/results/37d0a5ba57de4c52b6e0ec99aedaca71f3397fbb
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>