[skottie] UBSAN divide-by-zero workaround

Use sk_ieee_float_divide to silence UBSAN.

(note: the result is already checked to be finite)

Bug: skia:10041
Change-Id: I97d1d6f84926b7162ed636be7afd052ca42d8e81
Reviewed-on: https://skia-review.googlesource.com/155165
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
1 file changed