win32 cmdline: return -1 if CreateProcess fails
win32 cmdline: return -1 if CreateProcess fails

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