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/Util.cpp b/lib/cpp/src/concurrency/Util.cpp
index eeee0e5..c220238 100644
--- a/lib/cpp/src/concurrency/Util.cpp
+++ b/lib/cpp/src/concurrency/Util.cpp
@@ -16,7 +16,7 @@
 #include <sys/time.h>
 #endif // defined(HAVE_CLOCK_GETTIME)
 
-namespace facebook { namespace thrift { namespace concurrency {
+namespace apache { namespace thrift { namespace concurrency {
 
 const int64_t Util::currentTime() {
   int64_t result;
@@ -39,4 +39,4 @@
 }
 
 
-}}} // facebook::thrift::concurrency
+}}} // apache::thrift::concurrency