Make roll_harfbuzz.sh work properly on Mac.

On Mac `find` by default interprets the first parameter literally as a
directory string and does not normalize the resulting file names the way
`find` does on Linux. Remove the unnecessary trailing '/' so that both
Mac and Linux versions produce the expected output.

Change-Id: I40e1e3ea546c572254c3e3b5e9bbaddf430ba191
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/494242
Auto-Submit: Ben Wagner <bungeman@google.com>
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed