Bugfix: use FREE to correctly handle NULL replies

src/handlers.c

@@ -113,7 +113,7 @@ static int handle_key_press(xcb_key_press_event_t *event) {
     }
 
     char *json_result = parse_cmd(bind->command);
-    free(json_result);
+    FREE(json_result);
     return 1;
 }