Replace non-existent with_spacetime_call_counts with enable_call_counts in configure.
Replace non-existent with_spacetime_call_counts with enable_call_counts in configure.

gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml