COMPMID-3826 ArmNN Nightly failing for CL

Change-Id: I09f557b5cecafc669e12764e8592457212168d62
Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4131
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/CL/cl_kernels/activation_layer_quant.cl b/src/core/CL/cl_kernels/activation_layer_quant.cl
index dbaefac..c031c86 100644
--- a/src/core/CL/cl_kernels/activation_layer_quant.cl
+++ b/src/core/CL/cl_kernels/activation_layer_quant.cl
@@ -86,7 +86,7 @@
 #else  // defined(O1_VAL)
     data_flt                    = round(data_flt) * ((float)S1_VAL);
 #endif // defined(O1_VAL)
-    data_flt = ACTIVATION(ACT, float, data_flt, A_VAL, B_VAL);
+    data_flt = ACTIVATION(ACT, float, VEC_SIZE, data_flt, A_VAL, B_VAL);
 
 #if defined(O2_VAL)
     data0 = CONVERT_SAT(round(data_flt / ((float)S2_VAL)) + (float)O2_VAL, TYPE);