make *default-data-reader-fn* set\!-able in REPL

Signed-off-by: Stuart Halloway <stu@thinkrelevance.com>

Author: miner

src/clj/clojure/main.clj

@@ -95,6 +95,7 @@
              *print-length* *print-length*
              *print-level* *print-level*
              *data-readers* *data-readers*
+             *default-data-reader-fn* *default-data-reader-fn*
              *compile-path* (System/getProperty "clojure.compile.path" "classes")
              *command-line-args* *command-line-args*
              *unchecked-math* *unchecked-math*