Fix compile on newer gcc.

stepmania/src/NetworkSyncServer.h

@@ -126,7 +126,7 @@ private:
 	void GameOver(PacketFunctions& Packet, const unsigned int clientNum);
 	void ScreenNetMusicSelectStatus(PacketFunctions& Packet, const unsigned int clientNum);
 	void AnalizeChat(PacketFunctions &Packet, const unsigned int clientNum);
-	RString StepManiaLanServer::ListPlayers();
+	RString ListPlayers();
 	void Kick(RString &name);
 	void Ban(RString &name);
 	bool IsBanned(RString &ip);

stepmania/src/RageUtil_FileDB.h

@@ -82,9 +82,9 @@ struct FileSet
 class FilenameDB
 {
 public:
-	FilenameDB::FilenameDB():
+	FilenameDB():
 		m_Mutex("FilenameDB"), ExpireSeconds( -1 ) { }
-	virtual FilenameDB::~FilenameDB() { FlushDirCache(); }
+	virtual ~FilenameDB() { FlushDirCache(); }
 
 	void AddFile( const RString &sPath, int iSize, int iHash, void *pPriv=NULL );
 	void DelFile( const RString &sPath );

stepmania/src/StdString.h

@@ -878,7 +878,7 @@ public:
 
 		while ( (nIdx=this->find(szOld, nIdx)) != MYBASE::npos )
 		{
-			replace(this->begin()+nIdx, this->begin()+nIdx+nOldLen, szRealNew);
+			MYBASE::replace(this->begin()+nIdx, this->begin()+nIdx+nOldLen, szRealNew);
 			nReplaced++;
 			nIdx += nNewLen;
 		}