Fix type for container of inet_addr result on Win.

runtime/bin/socket_win.cc

Index: runtime/bin/socket_win.cc
diff --git a/runtime/bin/socket_win.cc b/runtime/bin/socket_win.cc
index 0dff55d0709d7e981e65f2405cf9db650baaf031..4cc2b8fbad0552f606c0aa9b70f15e99dcebd42a 100644
--- a/runtime/bin/socket_win.cc
+++ b/runtime/bin/socket_win.cc
@@ -211,7 +211,7 @@ const char* Socket::LookupIPv4Address(char* host, OSError** os_error) {
 intptr_t ServerSocket::CreateBindListen(const char* host,
                                         intptr_t port,
                                         intptr_t backlog) {
-  in_addr_t s_addr = TEMP_FAILURE_RETRY(inet_addr(host));
+  unsigned long s_addr = TEMP_FAILURE_RETRY(inet_addr(host));  // NOLINT
   if (s_addr == INADDR_NONE) {
     return -5;
   }