CBLT-254:  fix source path in curl PUT commands

Change-Id: I57570c699a600d6b230c2bcda8d794c2fc0d17fc
Reviewed-on: http://review.couchbase.org/35562
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>