From: Christopher Dykes <cdykes@fb.com>
Date: Fri, 19 May 2017 23:42:25 +0000 (-0700)
Subject: Fix the header being included when trying to specialize std::hash
X-Git-Tag: v2017.05.22.00~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5810472278e75f70a1c9e930280dc7111fa66a0c;p=folly.git

Fix the header being included when trying to specialize std::hash

Summary: `std::hash` lives in `<functional>`, not `<xstddef>`.

Reviewed By: yfeldblum

Differential Revision: D5097468

fbshipit-source-id: d0684491d1d4b0f83f07ad837a66a915ce2ec8a6
---

diff --git a/folly/portability/PThread.h b/folly/portability/PThread.h
index e6324581..8b2f3051 100755
--- a/folly/portability/PThread.h
+++ b/folly/portability/PThread.h
@@ -112,7 +112,7 @@ inline int pthread_attr_getguardsize(
   return 0;
 }
 
-#include <xstddef>
+#include <functional>
 namespace std {
 template <>
 struct hash<pthread_t> {