When waiting for the main loop to be freed up, wait on either

When waiting for the main loop to be freed up, wait on either

Mon Apr  7 13:40:28 2003  Owen Taylor  <otaylor@redhat.com>

        * glib/gmain.c (g_main_loop_run): When waiting for
        the main loop to be freed up, wait on either
        !loop->is_running or got_ownership, not both.
        (Caused gtk_dialog_run() not to work in other
        threads, reported by Jean-Yves Lefort)