This CL changes the case of the variable name I introduced in a previous CL.

Change-Id: I6d44eaf8361fa7e021c1107af49ce85238165449
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1535821Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Sven Sauleau <ssauleau@igalia.com>
Cr-Commit-Position: refs/heads/master@{#60407}