testsuite: fix typing-multifile by passing option -e to `echo "... \c"`
testsuite: fix typing-multifile by passing option -e to `echo "... \c"`

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