THRIFT-270: change cpp namespaces from facebook::thrift to apache::thrift

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@739644 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/test/OptionalRequiredTest.cpp b/test/OptionalRequiredTest.cpp
index c3fbfd1..028ca77 100644
--- a/test/OptionalRequiredTest.cpp
+++ b/test/OptionalRequiredTest.cpp
@@ -11,9 +11,9 @@
 using std::map;
 using std::string;
 using namespace thrift::test;
-using namespace facebook::thrift;
-using namespace facebook::thrift::transport;
-using namespace facebook::thrift::protocol;
+using namespace apache::thrift;
+using namespace apache::thrift::transport;
+using namespace apache::thrift::protocol;
 
 
 /*