SkOpSegment.cpp gcc 4.7 build failure.

SkOpSegment.cpp:2240:5: error: ordered comparison of pointer with integer zero

Caught by gcc 4.7 -Werror=extra.

R=caryclark@google.com

Review URL: https://codereview.chromium.org/14770005

git-svn-id: http://skia.googlecode.com/svn/trunk@8940 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed