Missing <winerror.h> on win7/MinGW(MINGW32_NT-6.1)/MSYS

Author: yuangongji

arc4random.c

@@ -54,6 +54,7 @@
 #ifdef _WIN32
 #include <wincrypt.h>
 #include <process.h>
+#include <winerror.h>
 #else
 #include <fcntl.h>
 #include <unistd.h>

buffer_iocp.c

@@ -44,6 +44,7 @@
 #include "mm-internal.h"
 
 #include <winsock2.h>
+#include <winerror.h>
 #include <windows.h>
 #include <stdio.h>
 

bufferevent_async.c

@@ -46,6 +46,7 @@
 
 #ifdef _WIN32
 #include <winsock2.h>
+#include <winerror.h>
 #include <ws2tcpip.h>
 #endif
 

evdns.c

@@ -77,6 +77,7 @@
 #include <stdarg.h>
 #ifdef _WIN32
 #include <winsock2.h>
+#include <winerror.h>
 #include <ws2tcpip.h>
 #ifndef _WIN32_IE
 #define _WIN32_IE 0x400

evutil.c

@@ -29,6 +29,7 @@
 
 #ifdef _WIN32
 #include <winsock2.h>
+#include <winerror.h>
 #include <ws2tcpip.h>
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>

listener.c

@@ -35,6 +35,7 @@
 #define _WIN32_WINNT 0x0403
 #endif
 #include <winsock2.h>
+#include <winerror.h>
 #include <ws2tcpip.h>
 #include <mswsock.h>
 #endif