Fix escaping in Makefile
Fix escaping in Makefile

haselwarter/merlin,neojski/merlin,rgrinberg/merlin,rgrinberg/merlin,dra27/merlin,chriskonstad/merlin,dra27/merlin,haselwarter/merlin,haselwarter/merlin,the-lambda-church/merlin,fxfactorial/merlin,ocaml/merlin,chambart/merlin,haselwarter/merlin,neojski/merlin,ocaml/merlin,chambart/merlin,chambart/merlin,dra27/merlin,rgrinberg/merlin,the-lambda-church/merlin,fxfactorial/merlin,neojski/merlin,fxfactorial/merlin,rgrinberg/merlin,the-lambda-church/merlin,ocaml/merlin,chambart/merlin,chriskonstad/merlin,fxfactorial/merlin,neojski/merlin,dra27/merlin,ocaml/merlin