Add img_row0 and img_col0 to information table for L1

This seemingly benign change causes reproducible (for me) segfaults / core dumps on CentOS-5 and 6.  Any clue why?

To reproduce:
```
$ ./aca_movie.pl -nolog obs15129
```
Then soon after it starts playing hit "Pause" and then "Resume".

cc: @jeanconn