server/mpm/event/event.c:2446: error: UNINITIALIZED_VALUE
  The value read from free_slots[_] was never initialized.

server/mpm/event/event.c:2446:17: 
2444.                  * in use to the end of the array
2445.                  */
2446.                 free_slots[free_length] = free_slots[totally_free_length];
                      ^
2447.                 free_slots[totally_free_length++] = i;
2448.             }
