libvpx: Pull from upstream

source/libvpx/test/decode_to_md5.sh

 #!/bin/sh
 ##
 ##  Copyright (c) 2014 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 26 matching lines @@
   if [ ! -x "${decoder}" ]; then
     elog "${decoder} does not exist or is not executable."
     return 1
   fi
 
   eval "${VPX_TEST_PREFIX}" "${decoder}" "${input_file}" "${output_file}" \
       ${devnull}
 
   [ -e "${output_file}" ] || return 1
 
-  local md5_last_frame=$(tail -n1 "${output_file}")
-  local actual_md5=$(echo "${md5_last_frame% *}" | tr -d [:space:])
+  local md5_last_frame="$(tail -n1 "${output_file}" | awk '{print $1}')"
+  local actual_md5="$(echo "${md5_last_frame}" | awk '{print $1}')"
   [ "${actual_md5}" = "${expected_md5}" ] || return 1
 }
 
 decode_to_md5_vp8() {
   # expected MD5 sum for the last frame.
   local expected_md5="56794d911b02190212bca92f88ad60c6"
 
   if [ "$(vp8_decode_available)" = "yes" ]; then
     decode_to_md5 "${VP8_IVF_FILE}" "vp8" "${expected_md5}"
   fi
 }
 
 decode_to_md5_vp9() {
   # expected MD5 sum for the last frame.
   local expected_md5="2952c0eae93f3dadd1aa84c50d3fd6d2"
 
   if [ "$(vp9_decode_available)" = "yes" ]; then
     decode_to_md5 "${VP9_IVF_FILE}" "vp9" "${expected_md5}"
   fi
 }
 
 decode_to_md5_tests="decode_to_md5_vp8
                      decode_to_md5_vp9"
 
 run_tests decode_to_md5_verify_environment "${decode_to_md5_tests}"