Fix the following build error:

    ../deps/v8/src/compiler/graph-visualizer.h:23:1:
    error: 'FILE' does not name a type

See https://github.com/iojs/io.js/issues/1637 for background.

BUG=v8:4079
LOG=N

Review URL: https://codereview.chromium.org/1128053002

Cr-Commit-Position: refs/heads/master@{#28254}