Support both quoting styles in ocamltest
Support both quoting styles in ocamltest

ocamltests analysed 'single quoted' words only which fails to parse
${mkexe} correctly on native Windows which has a "double quoted" word.

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