COMPMID-661: Fix scale border issue (#38)

Change-Id: If1dcca724e5e5f5ab363ffc16b0ef8c943e0b657
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/110105
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/runtime/CL/functions/CLScale.h b/arm_compute/runtime/CL/functions/CLScale.h
index db491c1..68d64a9 100644
--- a/arm_compute/runtime/CL/functions/CLScale.h
+++ b/arm_compute/runtime/CL/functions/CLScale.h
@@ -45,8 +45,10 @@
      * @param[in]     policy                The interpolation type.
      * @param[in]     border_mode           Strategy to use for borders.
      * @param[in]     constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+     * @param[in]     sampling_policy       (Optional) Sampling policy used by the interpolation. Defaults to @ref SamplingPolicy::CENTER
      */
-    void configure(ICLTensor *input, ICLTensor *output, InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value = PixelValue());
+    void configure(ICLTensor *input, ICLTensor *output, InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value = PixelValue(),
+                   SamplingPolicy sampling_policy = SamplingPolicy::CENTER);
 };
 }
 #endif /*__ARM_COMPUTE_CLSCALE_H__ */