/*
 *  call-seq:
 *    unpause  ->  self
 *
 *  Unpause the Music, if it is currently paused. Resumes from
 *  where it was paused. See also #pause and #paused?.
 *
 *  Returns::     The receiver (self).
 *
 *  **NOTE**: Does nothing if the music is not currently paused.
 *
 */
static VALUE rg_music_unpause( VALUE self )
{
  RG_Music *music;
  Data_Get_Struct(self,  RG_Music, music);

  /* Check that the music is current. */
  if( _rg_music_current_check(self) )
  {
    Mix_ResumeMusic();
  }

  return self;
}