Bug fix: -as mkisofs did not unescape "\=" in the source part of pathspecs

xorriso/text_io.c

@@ -3313,7 +3313,9 @@ int Xorriso_status(struct XorrisO *xorriso, char *filter, FILE *fp, int flag)
  Xorriso_status_zisofs(xorriso, filter, fp, flag & 3);
 
  is_default= !xorriso->allow_graft_points;
- sprintf(line,"-pathspecs %s\n", xorriso->allow_graft_points ? "on" : "off");
+ sprintf(line,"-pathspecs %s\n",
+         (xorriso->allow_graft_points & 2) ? "as_mkisofs" :
+           xorriso->allow_graft_points ? "on" : "off");
  if(!(is_default && no_defaults))
    Xorriso_status_result(xorriso,filter,fp,flag&2);