COMPMID-417 - Added arm_compute comment at the end of CL header files

Change-Id: Ide2ff463ddd10d5dda0a09366fae462f716eb1c1
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/88051
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/arm_compute/core/CL/kernels/CLDilateKernel.h b/arm_compute/core/CL/kernels/CLDilateKernel.h
index a5d3beb..846c16f 100644
--- a/arm_compute/core/CL/kernels/CLDilateKernel.h
+++ b/arm_compute/core/CL/kernels/CLDilateKernel.h
@@ -47,5 +47,5 @@
     // Inherited methods overridden:
     BorderSize border_size() const override;
 };
-}
+} // namespace arm_compute
 #endif /*__ARM_COMPUTE_CLDILATEKERNEL_H__ */