Make --print and --startup_notification appear in --help output

Calls to `cmdline_get_*` also modify the usage string. When the entries
for help are not the last to set up all command line arguments set up
afterwards don't show up in the usage.

Author: zappolowski

src/dunst.c

@@ -179,17 +179,18 @@ int dunst_main(int argc, char *argv[])
                                "Path to configuration file");
         load_settings(cmdline_config_path);
 
-        if (cmdline_get_bool("-h/-help/--help", false, "Print help")) {
-                usage(EXIT_SUCCESS);
-        }
-
         if (cmdline_get_bool("-print/--print", false, "Print notifications to stdout")) {
                 settings.print_notifications = true;
         }
 
         settings.startup_notification = cmdline_get_bool("--startup_notification",
                         0, "Display a notification on startup.");
 
+        /* Help should always be the last to set up as calls to cmdline_get_* (as a side effect) add entries to the usage list. */
+        if (cmdline_get_bool("-h/-help/--help", false, "Print help")) {
+                usage(EXIT_SUCCESS);
+        }
+
         int dbus_owner_id = dbus_init();
 
         mainloop = g_main_loop_new(NULL, FALSE);