*** mediatool/chunk.c.orig	Fri Oct 17 08:11:42 1997
--- mediatool/chunk.c	Sun May  9 14:03:59 1999
***************
*** 77,83 ****
    if (strlen(ChunkName) != 4)
      return(NULL);
  
!   if (strncmp(adress, "MDTO", 4) !=0 )
      return(NULL);
  
    /* Increment adress pointer by 4. The pointer now points to the first
--- 77,83 ----
    if (strlen(ChunkName) != 4)
      return(NULL);
  
!   if (!adress || strncmp(adress, "MDTO", 4) !=0 )
      return(NULL);
  
    /* Increment adress pointer by 4. The pointer now points to the first
