tree dd50df23c807052fda07385118e2d2e3946213d4
parent 1159c196db79993b153114bcc4363f7e0f831773
author Elliott Hughes <enh@google.com> 1467303160 -0700
committer Elliott Hughes <enh@google.com> 1467308223 -0700

Remove __nonnull (in favor of _Nonnull).

It's a dangerous pain in the ass, and we're only using it in one place, and
that's a mistake too.

Change-Id: Ida1d1286aaa1343bdee95fa092fcb45ff3258f77