Fix SkJumper gcc warning

TBR=mtklein@google.com

Change-Id: I1c3201307a1cd74a441d63d505882dc5535e150e
Reviewed-on: https://skia-review.googlesource.com/9416
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
1 file changed