allocate from the request, which is thread-safe. Helps with #3188

allocate from the request, which is thread-safe.  Helps with #3188

The "check" item is taken from the "huntgroups" file.  It's in
a statically allocated list which doesn't change, and shouldn't
change during run-time.  Allocating memory in its context is
not thread-safe, and can cause issues

Manual port of commit 7875ca06d1