minidump: Use decltype(object) instead of typeof(object)

minidump/minidump_memory_writer.cc

Index: minidump/minidump_memory_writer.cc
diff --git a/minidump/minidump_memory_writer.cc b/minidump/minidump_memory_writer.cc
index d79ca7b2acfe58f765d945fee904dce53c05360c..30977a9ec0fd26731224b10b057d6f33d2fcae39 100644
--- a/minidump/minidump_memory_writer.cc
+++ b/minidump/minidump_memory_writer.cc
@@ -76,7 +76,7 @@ bool MinidumpMemoryWriter::WillWriteAtOffsetImpl(off_t offset) {
   DCHECK_GE(registered_memory_descriptors_.size(), 1u);
 
   uint64_t base_address = MemoryRangeBaseAddress();
-  typeof(registered_memory_descriptors_[0]->StartOfMemoryRange) local_address;
+  decltype(registered_memory_descriptors_[0]->StartOfMemoryRange) local_address;
   if (!AssignIfInRange(&local_address, base_address)) {
     LOG(ERROR) << "base_address " << base_address << " out of range";
     return false;