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/lib/cpp/src/concurrency/ThreadManager.cpp b/lib/cpp/src/concurrency/ThreadManager.cpp
index 34acc4c..11c19a8 100644
--- a/lib/cpp/src/concurrency/ThreadManager.cpp
+++ b/lib/cpp/src/concurrency/ThreadManager.cpp
@@ -18,7 +18,7 @@
 #include <iostream>
 #endif //defined(DEBUG)
 
-namespace facebook { namespace thrift { namespace concurrency {
+namespace apache { namespace thrift { namespace concurrency {
 
 using boost::shared_ptr;
 using boost::dynamic_pointer_cast;
@@ -477,5 +477,5 @@
   return shared_ptr<ThreadManager>(new SimpleThreadManager(count, pendingTaskCountMax));
 }
 
-}}} // facebook::thrift::concurrency
+}}} // apache::thrift::concurrency