githash is a string, not an array

Bug: skia:
Change-Id: I7f0f907ee10de9d4cb431d61ac5b0044e3324ca5
Reviewed-on: https://skia-review.googlesource.com/68060
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
Commit-Queue: Yuqian Li <liyuqian@google.com>
1 file changed