Squid-2.2.STABLE4: async-io NUMTHREADS warning threshold
    Use a higher threshold for reporting async-io thread shortage, and
    a small spell correction in the same message.

Index: squid/src/aiops.c
diff -u squid/src/aiops.c:1.1.1.16.2.7 squid/src/aiops.c:1.1.1.16.2.9
--- squid/src/aiops.c:1.1.1.16.2.7	Sun Aug  1 17:13:05 1999
+++ squid/src/aiops.c	Sun Aug  1 17:21:45 1999
@@ -352,8 +352,8 @@
 	if (request_queue_len < queue_low)
 	    queue_low = request_queue_len;
 	if (squid_curtime >= (last_warn + 15) &&
-	    squid_curtime >= (high_start + 2)) {
-	    debug(43, 1) ("aio_queue_request: WARNING - Running out of I/O theads\n");
+	    squid_curtime >= (high_start + 3)) {
+	    debug(43, 1) ("aio_queue_request: WARNING - Running out of I/O threads\n");
 	    debug(43, 2) ("aio_queue_request: Queue Length: current=%d, high=%d, low=%d, duration=%d\n",
 		request_queue_len, queue_high, queue_low, squid_curtime - high_start);
 	    debug(43, 1) ("aio_queue_request: Perhaps you should increase NR_ASYNC_IO_THREADS\n");