debug windows module expansion

Author: swannodette

src/main/clojure/cljs/module_graph.cljc

@@ -361,6 +361,7 @@
                        #(maybe-add-out-file % opts)))
                    (distinct))
                  entries)]))
+          (util/debug-prn "MODULES:" modules "INPUTS:" inputs)
           (expand-modules modules inputs))
         (:advanced :simple :whitespace)
         (reduce-kv