Noreen is correct, there is an extra stanza that I have heard sung. I do not know whether it is from Warner or someone else has added it. Danny Spooner sings it in his moving rendition on his latest CD: 'Launch Out on the Deep'. The stanza comes in as third stanza before the 'Port Melbourne lies' stanza:

A mile inland our path was laid
And where are you, my Annie?
We found a government stockade
Long, long deserted but stoutly made

--Stewie.