Fix return type to be void.

Missing return type causes warning (which is treated as an error) when
compiling with Clang.

BUG=chromium:539781
R=rtoy@google.com

Review URL: https://codereview.webrtc.org/1578463002 .
2 files changed
tree: d750f79cb96f293bfdb1db4e67ab7a0b42b08061
  1. LICENSE
  2. OWNERS
  3. README.chromium
  4. codereview.settings
  5. dl/