COMPMID-1367: Enable NHWC in graph examples

Change-Id: Iabc54a3a1bdcd46a9a921cda39c7c85fef672b72
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/141449
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/graph/nodes/NodesFwd.h b/arm_compute/graph/nodes/NodesFwd.h
index 05979d7..a0a9146 100644
--- a/arm_compute/graph/nodes/NodesFwd.h
+++ b/arm_compute/graph/nodes/NodesFwd.h
@@ -33,10 +33,10 @@
 class ActivationLayerNode;
 class BatchNormalizationLayerNode;
 class ChannelShuffleLayerNode;
+class ConcatenateLayerNode;
 class ConstNode;
 class ConvolutionLayerNode;
 class DeconvolutionLayerNode;
-class DepthConcatenateLayerNode;
 class DepthwiseConvolutionLayerNode;
 class DummyNode;
 class EltwiseLayerNode;