Correct the spelling of a file in libxslt's sources list

Not all sources lists have been kept up to date with code
movement/removal and it seems to make some isolate steps in
cq sad for some CLs (mine).

Change-Id: I1bef29f477965e254e955970b1ab2471eb956f66
Reviewed-on: https://chromium-review.googlesource.com/c/1288870
Commit-Queue: Scott Graham <scottmg@chromium.org>
Reviewed-by: Scott Graham <scottmg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#602810}
1 file changed