mingw/mingw-packages/mingw-w64-aws-c-io/0001-include-errno-header.patch

--- a/source/windows/iocp/socket.c
+++ b/source/windows/iocp/socket.c
@@ -27,6 +27,7 @@
 #include <aws/io/pipe.h>
 
 #include <aws/io/io.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <stdio.h>