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

Change-Id: I288f409c8f51fac7ceb7b3f301105a74ffc737fd
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/88785
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/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h b/arm_compute/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h
index 8822a97..f526d21 100644
--- a/arm_compute/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h
+++ b/arm_compute/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h
@@ -84,5 +84,5 @@
     int32_t        _output_mult_int;
     int32_t        _shift;
 };
-}
-#endif /*__ARM_COMPUTE_NEGEMMLOWPMATRIXMULTIPLYKERNEL_H__*/
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_NEGEMMLOWPMATRIXMULTIPLYKERNEL_H__*/
\ No newline at end of file