Remove non-terminated string test
Remove non-terminated string test

I'm not sure how this was passing.  In `sphia_set`, we're using `strlen` on our non-terminated string which is [known to cause demons to fly out of your nose](http://catb.org/jargon/html/N/nasal-demons.html).

sphia/sphia,sphia/sphia,sphia/sphia