fix compilation for 4.00
fix compilation for 4.00

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