Add a missing space after ","

mrbgems/mruby-bin-mirb/tools/mirb/mirb.c

@@ -424,7 +424,7 @@ main(int argc, char **argv)
         else {
           /* no */
           if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect"))){
-            result = mrb_any_to_s(mrb,result);
+            result = mrb_any_to_s(mrb, result);
           }
           p(mrb, result, 1);
         }