Fix for nowait.phpt failing intermittently

The parent process was releasing the child semaphore
after the child process continued execution. Now
the child semaphore is released before the child
process continues execution.

Author: mhagstrand

ext/sysvsem/tests/nowait.phpt

@@ -67,12 +67,16 @@ if ($pid) {
 		exit;
 	}
 
+	/* Release the child semahpore before releasing
+	   the releasing the parent semaphore and letting
+	   the child continue execution */
+	sem_release($c_sem_id);
+
 	echo "P: releasing semaphore $p_sem_id.\n";
 	if (!sem_release($p_sem_id)) {
 		echo "P: failed to release semaphore\n";
 	}
 
-	sem_release($c_sem_id);
 	$status = null;
 	pcntl_waitpid($pid, $status);