[Ref] mpt/io_read/filereader.hpp: Enable GetLength() and BytesLeft() …

…FileReader free functions. These should never have been made completely unavailable.

git-svn-id: https://source.openmpt.org/svn/openmpt/trunk/OpenMPT@20326 56274372-70c3-4bfc-bfc3-4c3a0b034d27

src/mpt/io_read/filereader.hpp

@@ -99,21 +99,17 @@ bool HasFastGetLength(const TFileCursor & f) {
  return f.HasFastGetLength();
 }
 
-#if 0
 // Returns size of the mapped file in bytes.
 template <typename TFileCursor>
 MPT_FILECURSOR_DEPRECATED typename TFileCursor::pos_type GetLength(const TFileCursor & f) {
  return f.GetLength();
 }
-#endif
 
-#if 0
 // Return byte count between cursor position and end of file, i.e. how many bytes can still be read.
 template <typename TFileCursor>
 MPT_FILECURSOR_DEPRECATED typename TFileCursor::pos_type BytesLeft(const TFileCursor & f) {
  return f.BytesLeft();
 }
-#endif
 
 template <typename TFileCursor>
 bool EndOfFile(const TFileCursor & f) {