Fix windows compilation after r5867. Now linux-friendly.

src/profile-generator.cc

Index: src/profile-generator.cc
diff --git a/src/profile-generator.cc b/src/profile-generator.cc
index 9f475a49135a5550b24061c553af50d0d7be6740..8e9f13712ea82ada2a54dcc3a5e5c39f7bb5c538 100644
--- a/src/profile-generator.cc
+++ b/src/profile-generator.cc
@@ -870,7 +870,11 @@ void HeapEntry::Init(HeapSnapshot* snapshot,
   type_ = type;
   painted_ = kUnpainted;
   name_ = name;
+#ifdef WIN32
+  *(reinterpret_cast<uint64_t*>(&id_)) = id;
+#else
   id_ = id;
+#endif
   self_size_ = self_size;
   retained_size_ = 0;
   children_count_ = children_count;
@@ -952,7 +956,7 @@ void HeapEntry::PaintAllReachable() {
 
 
 void HeapEntry::Print(int max_depth, int indent) {
-  OS::Print("%6d %6d [%llu] ", self_size(), RetainedSize(false), id_);
+  OS::Print("%6d %6d [%llu] ", self_size(), RetainedSize(false), id());
   if (type() != kString) {
     OS::Print("%s %.40s\n", TypeAsString(), name_);
   } else {