fix cpp11 compile errors

runtime/bin/eventhandler_macos.cc

 // Copyright (c) 2012, 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_MACOS)
 
 #include "bin/eventhandler.h"
 
 #include <errno.h>  // NOLINT
@@ skipping 172 matching lines @@
   InterruptMessage msg;
   msg.id = id;
   msg.dart_port = dart_port;
   msg.data = data;
   intptr_t result =
       FDUtils::WriteToBlocking(interrupt_fds_[1], &msg, kInterruptMessageSize);
   if (result != kInterruptMessageSize) {
     if (result == -1) {
       perror("Interrupt message failure:");
     }
-    FATAL1("Interrupt message failure. Wrote %"Pd" bytes.", result);
+    FATAL1("Interrupt message failure. Wrote %" Pd " bytes.", result);
   }
 }
 
 
 bool EventHandlerImplementation::GetInterruptMessage(InterruptMessage* msg) {
   char* dst = reinterpret_cast<char*>(msg);
   int total_read = 0;
   int bytes_read =
       TEMP_FAILURE_RETRY(read(interrupt_fds_[0], dst, kInterruptMessageSize));
   if (bytes_read < 0) {
@@ skipping 253 matching lines @@
 
 uint32_t EventHandlerImplementation::GetHashmapHashFromFd(intptr_t fd) {
   // The hashmap does not support keys with value 0.
   return dart::Utils::WordHash(fd + 1);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_MACOS)