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/protocol/TDebugProtocol.cpp b/lib/cpp/src/protocol/TDebugProtocol.cpp
index ee82e71..28e175b 100644
--- a/lib/cpp/src/protocol/TDebugProtocol.cpp
+++ b/lib/cpp/src/protocol/TDebugProtocol.cpp
@@ -148,6 +148,7 @@
 uint32_t TDebugProtocol::writeMessageBegin(const std::string& name,
                                            const TMessageType messageType,
                                            const int32_t seqid) {
+  (void) seqid;
   string mtype;
   switch (messageType) {
     case T_CALL      : mtype = "call"   ; break;