Description:
------------
PHP seg faults if the user accidentally forgets to call event_init before calling the other scheduling functions.

Tested on:  PHP 5.1.2-1+b1 , PHP 5.1.4

Reproduce code:
---------------
<?php

dl('event.so');

// If you comment this next line out, PHP seg faults. 
//event_init();

event_dispatch( EVLOOP_NONBLOCK );
print "all done.\n";


?>


Expected result:
----------------
all done.

Actual result:
--------------
Segmentation fault (core dumped)