fix leak of Light object (in this private instance, the caller is transferring
ownership of the object, so the receive does not need to call ref).
Review URL: https://codereview.appspot.com/6348045

git-svn-id: http://skia.googlecode.com/svn/trunk@4360 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed