gst1-plugins-bad: fix missing dependency for opencv plugin

Gstreamer1 opencv plugin requires opencv's contrib module.

Fixes:
  http://autobuild.buildroot.net/results/0aa/0aab79be8043bf88a227af2ca27b4447aa2f8901/

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gstreamer1/gst1-plugins-bad/Config.in

@@ -430,6 +430,7 @@ config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_OPENCV
 	# problem of including the old "cv.h" header
 	# bug: https://bugzilla.gnome.org/show_bug.cgi?id=725163
 	select BR2_PACKAGE_OPENCV_LIB_CALIB3D
+	select BR2_PACKAGE_OPENCV_LIB_CONTRIB
 	select BR2_PACKAGE_OPENCV_LIB_FEATURES2D
 	select BR2_PACKAGE_OPENCV_LIB_FLANN
 	select BR2_PACKAGE_OPENCV_LIB_IMGPROC