instrtrace.c: gcc 4.9.3 doesn't like a char as argument to
instrtrace.c: gcc 4.9.3 doesn't like a char as argument to

eliberis/ocaml,msprotz/ocaml,yunxing/ocaml,msprotz/ocaml,eliberis/ocaml,gerdstolpmann/ocaml,eliberis/ocaml,msprotz/ocaml,yunxing/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,msprotz/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,eliberis/ocaml,eliberis/ocaml,gerdstolpmann/ocaml,msprotz/ocaml