Exclude third_party from formatting

third_party dependencies may not follow SwiftShader's style guide, so
they should be excluded. The presence of this check is preventing me
from updating SPIRV-tools in SwiftShader.

Bug: chromium:543704
Change-Id: Ia2d3c804700a02e215c133699a3fc6316a2f8369
1 file changed
tree: 66447a4a5cd8e696fe6dd3bfbee0ff7ec4658481
  1. commit-msg
  2. install_hooks.sh
  3. pre-commit