[sledge] Minor code simplification in Domain_sh.retn
[sledge] Minor code simplification in Domain_sh.retn

Reviewed By: da319

Differential Revision: D24746232

fbshipit-source-id: 19639328f

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