CRAS: Fix sign-compare errors raised by gcc

In file included from tests/hfp_info_unittest.cc:11:
../src/server/cras_hfp_info.c: In function ‘int hfp_write_msbc(hfp_info*)’:
../src/server/cras_hfp_info.c:265:10: error: comparison of integer
expressions of different signedness: ‘int’ and ‘unsigned int’
[-Werror=sign-compare]
  265 |  if (err != info->packet_size) {
      |      ~~~~^~~~~~~~~~~~~~~~~~~~
../src/server/cras_hfp_info.c: In function ‘int hfp_read_msbc(hfp_info*)’:
../src/server/cras_hfp_info.c:432:10: error: comparison of integer
expressions of different signedness: ‘int’ and ‘unsigned int’
[-Werror=sign-compare]
  432 |  if (err != info->packet_size) {
      |      ~~~~^~~~~~~~~~~~~~~~~~~~

BUG=None
TEST=make check -j64

Change-Id: I03dacb7828d52f9af58b3c2262f10871c4c02f39
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/adhd/+/2449489
Tested-by: En-Shuo Hsu <enshuo@chromium.org>
Auto-Submit: En-Shuo Hsu <enshuo@chromium.org>
Reviewed-by: Hsinyu Chao <hychao@chromium.org>
Commit-Queue: En-Shuo Hsu <enshuo@chromium.org>
1 file changed