(opt_handler): Added missing support for

-format option. Thanks Peter S Galbraith
<p.galbraith@globetrotter.net> for reporting.

@@ -111,6 +111,10 @@ opt_handler (int key, char *arg, void *unused, struct argp_state *state)
       mh_read_formfile (arg, &format_str);
       mh_read_formfile (arg, &format_str);
       break;
       break;
 
 
+    case ARG_FORMAT:
+      format_str = arg;
+      break;
+      
     case ARG_FILE:
     case ARG_FILE:
       input_file = arg;
       input_file = arg;
       break;
       break;