CLJCLR-106: #error map is not rendered correctly.

missing line in clojure.core.print-throwable compared to JVM version

Author: dmiller

Clojure/Clojure.Source/clojure/core_print.clj

@@ -569,6 +569,7 @@
         print-via #(do (.Write w "{:type ")
 		               (print-method (:type %) w)
 					   (.Write w "\n   :message ")
+                       (print-method (:message %) w)
              (when-let [data (:data %)]
                (.Write w "\n   :data ")
                (print-method data w))