Fix Clang build on SkPDFResourceDict (CL 18977002)

R=edisonn@google.com, vandebo@chromium.org

Author: richardlin@chromium.org

Review URL: https://chromiumcodereview.appspot.com/19954011

git-svn-id: http://skia.googlecode.com/svn/trunk@10295 2bbb7eff-a529-9590-31e7-b0007b416f81
9 files changed