modules/core/mod_watchdog.c:538: error: UNINITIALIZED_VALUE
  The value read from rv was never initialized.

modules/core/mod_watchdog.c:538:21: 
536.                         }
537.                     }
538.                     ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, s, APLOGNO(02979)
                         ^
539.                             "Watchdog: Created child worker thread (%s).", w->name);
540.                     wd_server_conf->child_workers++;
