Fix compilation on 32-bit platforms after r19728

BUG=None
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/191043002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19729 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/allocation-tracker.cc

@@ -173,7 +173,7 @@ void AddressToTraceMap::Clear() {
 
 
 void AddressToTraceMap::Print() {
-  PrintF("[AddressToTraceMap (%lu): \n", ranges_.size());
+  PrintF("[AddressToTraceMap (%" V8PRIuPTR "): \n", ranges_.size());
   for (RangeMap::iterator it = ranges_.begin(); it != ranges_.end(); ++it) {
     PrintF("[%p - %p] => %u\n", it->second.start, it->first,
         it->second.trace_node_id);