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

minidump/minidump_writable.cc

Index: minidump/minidump_writable.cc
diff --git a/minidump/minidump_writable.cc b/minidump/minidump_writable.cc
index 3bb4bffa58c5ddc5fca6d3eb9495f53f1d3e0185..5e87c9419286979d882b305b87fb007fb4bdba2d 100644
--- a/minidump/minidump_writable.cc
+++ b/minidump/minidump_writable.cc
@@ -180,7 +180,7 @@ size_t MinidumpWritable::WillWriteAtOffset(
       }
 
       if (!registered_location_descriptors_.empty()) {
-        typeof(registered_location_descriptors_[0]->DataSize) local_size;
+        decltype(registered_location_descriptors_[0]->DataSize) local_size;
         if (!AssignIfInRange(&local_size, size)) {
           LOG(ERROR) << "size " << size << " out of range";
           return kInvalidSize;