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/test/TFileTransportTest.cpp b/lib/cpp/test/TFileTransportTest.cpp
index 98fd18d..6260094 100644
--- a/lib/cpp/test/TFileTransportTest.cpp
+++ b/lib/cpp/test/TFileTransportTest.cpp
@@ -70,6 +70,7 @@
   FsyncLog() {}
 
   void fsync(int fd) {
+    (void) fd;
     FsyncCall call;
     gettimeofday(&call.time, NULL);
     calls_.push_back(call);