fix for Iris with stuckness bit

opam

@@ -9,6 +9,6 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: ["rm" "-rf" "%{lib}%/coq/user-contrib/iris_examples"]
 depends: [
-  "coq-iris" { (= "dev.2017-11-18.1") | (= "dev") }
+  "coq-iris" { (= "dev.2017-12-07.2") | (= "dev") }
   "coq-autosubst" { = "dev.coq86" }
 ]

theories/barrier/example_client.v

@@ -61,7 +61,7 @@ Section ClosedProofs.
 
 Let Σ : gFunctors := #[ heapΣ ; barrierΣ ; spawnΣ ].
 
-Lemma client_adequate σ : adequate client σ (λ _, True).
+Lemma client_adequate σ : adequate NotStuck client σ (λ _, True).
 Proof. apply (heap_adequacy Σ)=> ?. apply client_safe. Qed.
 
 End ClosedProofs.