modules/dav/main/util_lock.c:728: error: UNINITIALIZED_VALUE
  The value read from locks_present was never initialized.

modules/dav/main/util_lock.c:728:13: 
726.         }
727. 
728.         if (locks_present)
                 ^
729.             return DAV_RESOURCE_LOCK_NULL;
730.     }
