Add rounding to the separable blurs.  This should ensure that the box blurs are energy-preserving (ie., blurring solid 255 alpha stays 255 alpha).

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Review URL: https://codereview.appspot.com/7350043

git-svn-id: http://skia.googlecode.com/svn/trunk@7768 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed