CXX-175 spelling and namespaces

Author: TylerBrock

src/mongo/client/bulk_update_builder.cpp

@@ -60,4 +60,4 @@ namespace mongo {
         return BulkUpsertBuilder(_builder, _selector);
     }
 
-}
+} // namespace mongo

src/mongo/client/bulk_upsert_builder.cpp

@@ -46,4 +46,4 @@ namespace mongo {
         _builder->enqueue(update_op);
     }
 
-}
+} // namespace mongo

src/mongo/client/bulk_upsert_builder.h

@@ -62,7 +62,7 @@ namespace mongo {
         BulkOperationBuilder* const _builder;
         const BSONObj _selector;
 
-        /* Only created by freind class BulkWriteBuilder */
+        /* Only created by friend class BulkWriteBuilder */
         BulkUpsertBuilder(BulkOperationBuilder* const builder, const BSONObj& selector);
     };