posix: upgrade libevent from 1.4.7 to 1.4.13

third_party/libevent/quotes.patch

Index: third_party/libevent/quotes.patch
diff --git a/third_party/libevent/quotes.patch b/third_party/libevent/quotes.patch
deleted file mode 100644
index fceb8df22b26097842691809eb3dfe309734f2ac..0000000000000000000000000000000000000000
--- a/third_party/libevent/quotes.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-diff -ur libevent-1.4.7-stable/event.h libevent/event.h
---- libevent-1.4.7-stable/event.h	2008-05-28 23:43:46.000000000 -0700
-+++ libevent/event.h	2008-09-11 16:05:42.000000000 -0700
-@@ -159,7 +159,7 @@
- extern "C" {
- #endif
- 
--#include <event-config.h>
-+#include "event-config.h"
- #ifdef _EVENT_HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
-@@ -172,7 +172,7 @@
- #include <stdarg.h>
- 
- /* For int types. */
--#include <evutil.h>
-+#include "evutil.h"
- 
- #ifdef WIN32
- #define WIN32_LEAN_AND_MEAN
-diff -ur libevent-1.4.7-stable/evutil.h libevent/evutil.h
---- libevent-1.4.7-stable/evutil.h	2008-06-27 17:49:53.000000000 -0700
-+++ libevent/evutil.h	2008-09-11 16:06:28.000000000 -0700
-@@ -38,7 +38,7 @@
- extern "C" {
- #endif
- 
--#include <event-config.h>
-+#include "event-config.h"
- #ifdef _EVENT_HAVE_SYS_TIME_H
- #include <sys/time.h>
- #endif