Fix folly/io/async/test:async_test - AsyncSSLSocketTest.ConnectTFOFallbackTimeout SIGSEGV
Fix folly/io/async/test:async_test - AsyncSSLSocketTest.ConnectTFOFallbackTimeout SIGSEGV

Summary: Fix folly/io/async/test:async_test - AsyncSSLSocketTest.ConnectTFOFallbackTimeout SIGSEGV

Reviewed By: djwatson

Differential Revision: D9520104

fbshipit-source-id: c1133bcb0617ca7f8d5f8a9ee46080c7c7f5b105

facebook/folly,facebook/folly,facebook/folly,facebook/folly,facebook/folly