opencv: workaround for package problem, HYP-8434

ERROR: QA Issue: non debug package contains .debug directory: opencv-apps path /work/cortexa9hf-vfp-neon-angstrom-linux-gnueabi/opencv/2.4.6+gitAUTOINC+c5afaa4e8d-r0/packages-split/opencv-apps/usr/share/OpenCV/java/.debug/libopencv_java246.so
WARNING: QA Issue: opencv-apps: found library in wrong location: /usr/share/OpenCV/java/libopencv_java246.so
opencv-apps: found library in wrong location: /usr/share/OpenCV/java/.debug/libopencv_java246.so
ERROR: QA run found fatal errors. Please consider fixing them.

Signed-off-by: Steffen Sledz <sledz@dresearch-fe.de>