Don't compare against uninit edge in SkPath::conservativelyContainsRect

Bug: chromium:752478

Change-Id: Ic281f06b300329ea9823b3eb76cc56b7a43fd2a5
Reviewed-on: https://skia-review.googlesource.com/31520
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2 files changed