fix building without --with-debug on Solaris
diff --git a/src/event/modules/ngx_devpoll_module.c b/src/event/modules/ngx_devpoll_module.c
index e8135b9..d7ea99b 100644
--- a/src/event/modules/ngx_devpoll_module.c
+++ b/src/event/modules/ngx_devpoll_module.c
@@ -416,7 +416,7 @@
                        event_list[i].fd, event_list[i].events, revents);
 
         if (revents & (POLLERR|POLLHUP|POLLNVAL)) {
-            ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
+            ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
                           "ioctl(DP_POLL) error fd:%d ev:%04Xd rev:%04Xd",
                           event_list[i].fd, event_list[i].events, revents);
         }