Command: fix wrong structural equality in Boundary
Command: fix wrong structural equality in Boundary

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