Update mac and android Socket::LookupAddress.

runtime/bin/socket_linux.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include <errno.h>  // NOLINT
 #include <stdio.h>  // NOLINT
 #include <stdlib.h>  // NOLINT
@@ skipping 190 matching lines @@
     ASSERT(*os_error == NULL);
     *os_error = new OSError(status,
                             gai_strerror(status),
                             OSError::kGetAddressInfo);
     return NULL;
   }
   intptr_t count = 0;
   for (struct addrinfo* c = info; c != NULL; c = c->ai_next) {
     if (c->ai_family == AF_INET || c->ai_family == AF_INET6) count++;
   }
-  int i = 0;
+  intptr_t i = 0;
   AddressList<SocketAddress>* addresses = new AddressList<SocketAddress>(count);
   for (struct addrinfo* c = info; c != NULL; c = c->ai_next) {
     if (c->ai_family == AF_INET || c->ai_family == AF_INET6) {
       addresses->SetAt(i, new SocketAddress(c->ai_addr));
       i++;
     }
   }
   freeaddrinfo(info);
   return addresses;
 }
@@ skipping 144 matching lines @@
                                        SOL_TCP,
                                        TCP_NODELAY,
                                        reinterpret_cast<char *>(&on),
                                        sizeof(on))) == 0;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)