Remove extra semi-colons Found by oss-fuzz build using -Wextra-semi-stmt Bug: oss-fuzz:12147 Change-Id: I88c9f66ce5902a44129e432d50c76d1b1b66ebe3 Reviewed-on: https://skia-review.googlesource.com/c/180367 Reviewed-by: Mike Klein <mtklein@google.com> Commit-Queue: Kevin Lubick <kjlubick@google.com>