Updated GLintptr and GLsizeiptr to be the appropriate types on 64 bit Windows

BUG=326382
R=reed@google.com, bsalomon@google.com

Author: bajones@chromium.org

Review URL: https://codereview.chromium.org/111403003

git-svn-id: http://skia.googlecode.com/svn/trunk@12694 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed