THRIFT-916 compile with -Wall -Wextra without warning on Debian Lenny


git-svn-id: https://svn.apache.org/repos/asf/thrift/trunk@1036250 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cpp/src/concurrency/Util.cpp b/lib/cpp/src/concurrency/Util.cpp
index ac2a460..af23449 100644
--- a/lib/cpp/src/concurrency/Util.cpp
+++ b/lib/cpp/src/concurrency/Util.cpp
@@ -31,7 +31,7 @@
 
 namespace apache { namespace thrift { namespace concurrency {
 
-const int64_t Util::currentTimeTicks(int64_t ticksPerSec) {
+int64_t Util::currentTimeTicks(int64_t ticksPerSec) {
   int64_t result;
 
 #if defined(HAVE_CLOCK_GETTIME)