API: Change AdjustAmountOfExternalAllocatedMemory calls to use int64_t instead of intptr_t

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 3283c95648ee8ee87ca07cff5ff936ec0284fbdc..3b3dc44c6b8fd5721de390da0273c8dd01b6df77 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -411,7 +411,7 @@ void Heap::PrintShortHeapStatistics() {
            this->Available() / KB,
            this->CommittedMemory() / KB);
   PrintPID("External memory reported: %6" V8_PTR_PREFIX "d KB\n",
-           amount_of_external_allocated_memory_ / KB);
+           static_cast<intptr_t>(amount_of_external_allocated_memory_ / KB));
   PrintPID("Total time spent in GC  : %.1f ms\n", total_gc_time_ms_);
 }
 
@@ -6578,7 +6578,7 @@ intptr_t Heap::PromotedSpaceSizeOfObjects() {
 }
 
 
-intptr_t Heap::PromotedExternalMemorySize() {
+int64_t Heap::PromotedExternalMemorySize() {
   if (amount_of_external_allocated_memory_
       <= amount_of_external_allocated_memory_at_last_global_gc_) return 0;
   return amount_of_external_allocated_memory_