Use the new print file name

In the merge 61605a9672d0a77bfc43f79c69f4bc028fa6a8be I updated the print to the new revision: 
https://github.com/mapfish/mapfish-print/commit/bdb3d3189f9375f2704d7d5162cf9b6e4cb9b69b

Than we should use the new file name