configure: minor typo
configure: minor typo

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