Fix data member declaration order.

src/google/protobuf/util/internal/proto_writer.cc

@@ -64,6 +64,7 @@ ProtoWriter::ProtoWriter(TypeResolver* type_resolver,
       typeinfo_(TypeInfo::NewTypeInfo(type_resolver)),
       own_typeinfo_(true),
       done_(false),
+      ignore_unknown_fields_(false),
       element_(NULL),
       size_insert_(),
       output_(output),
@@ -71,7 +72,6 @@ ProtoWriter::ProtoWriter(TypeResolver* type_resolver,
       adapter_(&buffer_),
       stream_(new CodedOutputStream(&adapter_)),
       listener_(listener),
-      ignore_unknown_fields_(false),
       invalid_depth_(0),
       tracker_(new ObjectLocationTracker()) {}
 
@@ -82,6 +82,7 @@ ProtoWriter::ProtoWriter(const TypeInfo* typeinfo,
       typeinfo_(typeinfo),
       own_typeinfo_(false),
       done_(false),
+      ignore_unknown_fields_(false),
       element_(NULL),
       size_insert_(),
       output_(output),
@@ -89,7 +90,6 @@ ProtoWriter::ProtoWriter(const TypeInfo* typeinfo,
       adapter_(&buffer_),
       stream_(new CodedOutputStream(&adapter_)),
       listener_(listener),
-      ignore_unknown_fields_(false),
       invalid_depth_(0),
       tracker_(new ObjectLocationTracker()) {}