libvpx: Pull from upstream

source/libvpx/vp8/encoder/arm/neon/denoising_neon.c

 /*
  *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 261 matching lines @@
       for (r = 0; r < 8; ++r) {
         const uint8x8_t v_sig = vld1_u8(sig);
         const uint16x4_t _76_54_32_10 = vpaddl_u8(v_sig);
         v_sum_block = vqadd_u16(v_sum_block, _76_54_32_10);
         sig += sig_stride;
       }
       sig -= sig_stride * 8;
       {
         const uint32x2_t _7654_3210 = vpaddl_u16(v_sum_block);
         const uint64x1_t _76543210 = vpaddl_u32(_7654_3210);
-        const unsigned int sum_block =
-            vget_lane_u32(vreinterpret_u32_u64(_76543210), 0);
+        const int sum_block =
+            vget_lane_s32(vreinterpret_s32_u64(_76543210), 0);
         if (abs(sum_block - (128 * 8 * 8)) < SUM_DIFF_FROM_AVG_THRESH_UV) {
           return COPY_BLOCK;
         }
       }
     }
 
     /* Go over lines. */
     for (r = 0; r < 4; ++r) {
         /* Load inputs. */
         const uint8x8_t v_sig_lo = vld1_u8(sig);
@@ skipping 175 matching lines @@
     }
 
     /* Tell above level that block was filtered. */
     running_avg -= running_avg_stride * 8;
     sig -= sig_stride * 8;
 
     vp8_copy_mem8x8(running_avg, running_avg_stride, sig, sig_stride);
 
     return FILTER_BLOCK;
 }