Start accepting incoming sockets earlier on Windows, to associate a at AcceptEx error to 'ServerSoc…

runtime/bin/socket_macos.cc

Index: runtime/bin/socket_macos.cc
diff --git a/runtime/bin/socket_macos.cc b/runtime/bin/socket_macos.cc
index db3970753d6190ad6ecb22227e90137f5e44e6a3..d0643569af0825cbd8b9a7b513b7679892a0f107 100644
--- a/runtime/bin/socket_macos.cc
+++ b/runtime/bin/socket_macos.cc
@@ -413,6 +413,12 @@ intptr_t ServerSocket::CreateBindListen(RawAddr addr,
 }
 
 
+bool ServerSocket::StartAccept(intptr_t fd) {
+  USE(fd);
+  return true;
+}
+
+
 intptr_t ServerSocket::Accept(intptr_t fd) {
   intptr_t socket;
   struct sockaddr clientaddr;