Remove a few semicolons.

Bug: chromium:926235
Change-Id: I338323847c34dabdbd963efe631f7dc1351ed8cc
Reviewed-on: https://skia-review.googlesource.com/c/191143
Reviewed-by: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
diff --git a/include/codec/SkCodecAnimation.h b/include/codec/SkCodecAnimation.h
index 9a4daff..2ddb78d 100644
--- a/include/codec/SkCodecAnimation.h
+++ b/include/codec/SkCodecAnimation.h
@@ -39,5 +39,5 @@
          */
         kRestorePrevious    = 3,
     };
-};
+}
 #endif // SkCodecAnimation_DEFINED