Add "override" for overridden virtual functions

Add "override" for overridden virtual functions.
Please refer following issue for discussion on this.
https://github.com/google/protobuf/issues/67

1 files changed, 3 insertions, 3 deletions

diff --git a/src/google/protobuf/descriptor.cc b/src/google/protobuf/descriptor.cc
index d466dd8b..fa149933 100644
--- a/src/google/protobuf/descriptor.cc
+++ b/src/google/protobuf/descriptor.cc
@@ -6951,7 +6951,7 @@ class DescriptorBuilder::OptionInterpreter::AggregateOptionFinder
   DescriptorBuilder* builder_;
 
   virtual const FieldDescriptor* FindExtension(
-      Message* message, const string& name) const {
+      Message* message, const string& name) const override {
     assert_mutex_held(builder_->pool_);
     const Descriptor* descriptor = message->GetDescriptor();
     Symbol result = builder_->LookupSymbolNoPlaceholder(
@@ -6989,7 +6989,7 @@ class AggregateErrorCollector : public io::ErrorCollector {
   string error_;
 
   virtual void AddError(int /* line */, int /* column */,
-                        const string& message) {
+                const string& message) override {
     if (!error_.empty()) {
       error_ += "; ";
     }
@@ -6997,7 +6997,7 @@ class AggregateErrorCollector : public io::ErrorCollector {
   }
 
   virtual void AddWarning(int /* line */, int /* column */,
-                          const string& /* message */) {
+                  const string& /* message */) override {
     // Ignore warnings
   }
 };