emacs: fix a typo Spotted by "spip".
emacs: fix a typo
Spotted by "spip".

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