Remove float/double conversions from SkMatrix44's map2_pf

BUG=chromium:303811
R=reed@google.com

Author: enne@chromium.org

Review URL: https://codereview.chromium.org/37693004

git-svn-id: http://skia.googlecode.com/svn/trunk/src@11986 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed