Added missing include of alloca.h. (#687)
Added missing include of alloca.h. (#687)


rgrinberg/merlin,ocaml/merlin,the-lambda-church/merlin,rgrinberg/merlin,dra27/merlin,ocaml/merlin,rgrinberg/merlin,rgrinberg/merlin,ocaml/merlin,the-lambda-church/merlin,dra27/merlin,dra27/merlin,dra27/merlin,ocaml/merlin,the-lambda-church/merlin