COMPMID-415 - Fixed bug in CLDepthConcatenateKernel

Change-Id: Ieedb714cb3666504c175aa488505e0485778c589
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/86705
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/arm_compute/core/CL/kernels/CLDepthConcatenateKernel.h b/arm_compute/core/CL/kernels/CLDepthConcatenateKernel.h
index e85e0ec..ac108a4 100644
--- a/arm_compute/core/CL/kernels/CLDepthConcatenateKernel.h
+++ b/arm_compute/core/CL/kernels/CLDepthConcatenateKernel.h
@@ -71,6 +71,7 @@
     ICLTensor       *_output;
     int              _top_bottom;
     int              _left_right;
+    unsigned int     _depth_offset;
 };
 }
 #endif /* __ARM_COMPUTE_CLDEPTHCONCATENATEKERNEL_H__ */