Fix missing return value in sendStreamThriftResponse
Fix missing return value in sendStreamThriftResponse

Summary: Fix return value in sendStreamThriftResponse on Windows

Reviewed By: iahs

Differential Revision: D19871107

fbshipit-source-id: a49614ab6260d56a655a5213b2cc278ce35e1324

facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift