no, reomve Rewind()

stepmania/src/RageFile.cpp

@@ -277,13 +277,6 @@ int RageFile::Seek( int offset )
 
 	ResetBuf();
 	
-	if( offset == 0 )
-	{
-		m_File->Rewind();
-		m_FilePos = 0;
-		return 0;
-	}
-
 	int pos = m_File->Seek( offset );
 	if( pos == -1 )
 		return -1;

stepmania/src/RageFileDriver.h

@@ -53,7 +53,6 @@ public:
 	virtual int Read(void *buffer, size_t bytes) = 0;
 	virtual int Write(const void *buffer, size_t bytes) = 0;
 	virtual int Flush() { return 0; }
-	virtual void Rewind() { }
 	virtual RageFileObj *Copy( RageFile &p ) const = 0;
 };