Fix Wrong number of args passed to: ex-info

clojure.lang.ArityException  Wrong number of args (1) passed to: clojure.core/ex-info

Author: Biserkov

provider/pact-jvm-provider-lein/src/main/clojure/au/com/dius/pact/provider/lein/verify_provider.clj

@@ -72,7 +72,7 @@
     (if (not-empty failures)
       (do
         (.displayFailures verifier (into {} failures))
-        (throw (ex-info (str "There were " (count failures) " pact failures")))))))
+        (throw (ex-info (str "There were " (count failures) " pact failures")) {})))))
 
 (defn verify [verifier pact-info]
   (verify-providers verifier (:service-providers pact-info)))