Created ruby script from PDF, script produces error

```
Here is the full "test script" using the latest fetch:
--------------------

hg clone https://code.google.com/p/origami-pdf/
cd origami-pdf/
rake
cd ..
curl 'http://www.ada.gov/hospcombrprt.pdf' -o hospcombrprt.pdf
origami-pdf/bin/pdf2ruby -x hospcombrprt.pdf
mv hospcombrprt.pdf hospcombrprtORIG.pdf
cd hospcombrprt
ruby hospcombrprt.rb # THIS STEP PRODUCES ERRORS
bc hospcombrprt.pdf ../hospcombrprtORIG.pdf || echo FAILED

-----------------------------

EXPECTED:
Two files are identical

ACTUAL:
/Users/williamentriken/Developer/origami-pdf/lib/origami/page.rb:75:in `pages':
Invalid page tree (Origami::InvalidPDFError)
from /Users/williamentriken/Developer/origami-pdf/lib/origami/pdf.rb:689:in `compile'
from /Users/williamentriken/Developer/origami-pdf/lib/origami/pdf.rb:233:in `save'
from hospcombrprt.rb:189:in `'

```

Original issue reported on code.google.com by `fulldec...@gmail.com` on 28 Jun 2014 at 3:59