COMPMID-378 - Implemented reference implementation and tests (NEON and CL) for Non Linear Filter

Change-Id: I1b81e030a27cf01d098247a87d047099616e2a39
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/78531
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/tests/Utils.h b/tests/Utils.h
index f067990..219cbd0 100644
--- a/tests/Utils.h
+++ b/tests/Utils.h
@@ -681,6 +681,7 @@
     }
     return true;
 }
+
 } // namespace test
 } // namespace arm_compute
 #endif