The new xcode-clang in xcode 12 turns on -Wrange-loop-analysis by
default, this CL tries to fix problems caused by this.
Bug: webrtc:12134
Change-Id: I77fd9a28486690c11dceceafc4d72f131b081788
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/191762
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32559}