-ansi means -std=c89, so replace -std=gnu99 -ansi with it

Else you could think that the yasm files are compiled as c99.
No behavior change.

BUG=none

Review URL: https://codereview.chromium.org/1614523003

Cr-Original-Commit-Position: refs/heads/master@{#370907}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 2b2e3091da763e168847ec22b6ad1d99704af1bf
2 files changed