[racerd] improve add_accesses
[racerd] improve add_accesses

Summary: I'm not entirely sure why this function was written in such a horrendous way :)

Reviewed By: skcho

Differential Revision: D16858396

fbshipit-source-id: d998e17f3

jvillard/infer,facebook/infer,jvillard/infer,facebook/infer,facebook/infer,jvillard/infer,jvillard/infer,facebook/infer,jvillard/infer,jvillard/infer,facebook/infer,facebook/infer,facebook/infer,jvillard/infer