_ in place of unused variables

diff --git a/helm/software/components/ng_kernel/nCicSubstitution.ml b/helm/software/components/ng_kernel/nCicSubstitution.ml
index c9413fcab89e3910d09b84e4ae923b29c5571d03..32fa33ac845b5a272bf233f3644082d61a33245a 100644 (file)
--- a/helm/software/components/ng_kernel/nCicSubstitution.ml
+++ b/helm/software/components/ng_kernel/nCicSubstitution.ml
@@ -62,7 +62,7 @@ let rec psubst ?(avoid_beta_redexes=false) map_arg args =
         with Failure _ | Invalid_argument _ -> assert false))
    | C.Meta (i,(m,l)) as t when m >= k + nargs - 1 -> 
        if nargs <> 0 then C.Meta (i,(m-nargs,l)) else t
-   | C.Meta (i,(m,(C.Irl l as irl))) as t when k > l + m -> t
+   | C.Meta (_,(m,(C.Irl l))) as t when k > l + m -> t
    | C.Meta (i,(m,l)) -> 
       let lctx = NCicUtils.expand_local_context l in
        C.Meta (i,(0,