Fixed issue in OpenCL with updating the validation value array instea…

…d of writing only. Was using += when we should have been doing =.

opencl/kernel.cl

@@ -108,7 +108,7 @@ __kernel void macro_xs_lookup_kernel(		Input in,
 			max_idx = j;
 		}
 	}
-	verification_array[i] += max_idx+1;
+	verification_array[i] = max_idx+1;
 
 }