Log Message:
Update xmame to 0.62.1 (or actually to the release candidate of 0.62.1)

Changes since 0.61.1 include:
- Almost everything from MAME 0.62.
- The game window should no longer open twice on startup in most cases.
  (One known exception is Pac-Man with artwork enabled.)
- Replaced fileio.c with a slightly modified version from the Win32
  codebase.  Be aware that several command line switches have changed as
  a result!
- The number of games is no longer hard-coded to 3000 in datafile.c.
  This should fix problems with history.dat and "-listinfo".  (Rene Single)
- Rotation is now handled by the OSD code.  The method used is hardly
  optimal, but it should work for all display targets.  Moving the
  rotation to the blit core is planned for a future release.
- The Xv target now uses the game driver's aspect ratio unless the
  "-nokeepaspect" or "-noka" switch is specified.  Inspired \ 
by Paul
  Sajecki's patch.
- Simplified/unified the FPS on-screen display.  This is now only
  overridden when the Barath frameskipper is in debug mode.
- The DGA, GGI, and SVGALIB targets now use the game aspect ratio
  provided by the core rather than a hard-coded 4:3.
- Using "-x11-mode" or "-x11" to activate DGA fullscreen mode now
  disables Xv.  Likewise, switching to DGA fullscreen mode via <ALT>-
  <HOME> is now disabled while Xv is active.