[acpica] Avoid undefined behavior

Upstream: https://github.com/acpica/acpica/pull/845.

Bug: 41663
Change-Id: I10528aa37a4b6570d68ac6e7f7fd7e7f4c24ab59
1 file changed
tree: a246c2b844a58c6e59f75146ff80a386e2637f27
  1. include/
  2. source/
  3. BUILD.gn
  4. changes.txt
  5. LICENSE
  6. OWNERS
  7. README.fuchsia