Bugfix:  Hyposprays now fit in medical belts.

Problem:  Person fixing bug #2006 was a bit too specific about type of autoinjectors able to fit in belt.

Solution:  Be less specific.  Now hyposprays fit in belts.
Merge pull request #3991 from Ccomp5950/medical_belt_bugfix

Bugfix:  Hyposprays now fit in medical belts.