Have peek32 return uint32_t& to make it harder to look at more than 4 bytes.

BUG=skia:
R=reed@google.com, robertphillips@google.com

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/145053003

git-svn-id: http://skia.googlecode.com/svn/trunk@13265 2bbb7eff-a529-9590-31e7-b0007b416f81
4 files changed