Protecting volume ids from getting overwritten by predecessor

libisoburn/trunk/xorriso/xorriso_private.h

@@ -84,7 +84,8 @@ struct XorrisO { /* the global context of xorriso */
  int do_overwrite; /* 0=off, 1=on, 2=nondir */
  int do_reassure;  /* 0=off, 1=on, 2=tree */
 
- char volid[33]; 
+ char volid[33];
+ int volid_default;
  char loaded_volid[33];
 
  /* >>> put libburn/isoburn aspects here */